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Amethyst and White Diamond Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful big amethyst trillions with 1.00 ct. good quality white diamond rounds. Handmade in 18k yellow gold. Push back with lever back setting.
Category
21st Century and Contemporary Lever-Back Earrings
Materials
Amethyst, White Diamond, Yellow Gold
White Diamond Baguette Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful 1.00 ct. good quality, white, and bright diamond baguettes. Handmade in 18k yellow gold. Lever back setting for pierced ears. A great addition to any jewelry collection!
Category
21st Century and Contemporary Clip-on Earrings
Materials
White Diamond, Yellow Gold
Red Garnet and White Diamond Cluster Ring in 14K Yellow Gold
Located in Los Angeles, CA
Beautiful red garnet ovals with good quality white diamond rounds. Handmade in 14k yellow gold. Ring size 4.75.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Garnet, Yellow Gold
Amethyst Round Cabochon Cufflinks in 18k Yellow Gold
Located in Los Angeles, CA
Beautiful 19.24 ct. amethyst cabochon rounds in handmade 18k yellow gold cufflinks.
Category
21st Century and Contemporary Cufflinks
Materials
Amethyst, Yellow Gold
White Diamond Brooch in 18k White Gold
Located in Los Angeles, CA
Gorgeous brooch with 1.50 ct. good quality white diamond rounds. Handmade in 18k white gold.
Category
20th Century Brooches
Materials
White Diamond, White Gold
GIA Fancy Brownish Greenish Yellow Diamond Ring in 14K 2 Tone Gold
Located in Los Angeles, CA
Beautiful 0.40 ct. fancy brownish greenish yellow diamond oval with 0.62 ct. white diamond rounds. Handmade in 14k yellow and white gold. Ring size 7. GIA certificate included.
Category
21st Century and Contemporary Engagement Rings
Materials
Yellow Diamond
Pink Kunzite and White Diamond Cocktail Ring in 18K White Gold
Located in Los Angeles, CA
Beautiful 22.65 ct. pink kunzite emerald cut with 0.51 ct. good quality white diamond rounds. Handmade in 18k white gold. Ring size 7.5.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Kunzite, White Gold
Fancy Color and White Diamond Cocktail Ring in 18k White Gold
Located in Los Angeles, CA
Gorgeous 0.91 ct. fancy color diamond multi shapes with 0.42 ct. good quality white diamond rounds. Handmade in 18k white gold. Ring size 6.5.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, White Gold
GIA Unheated Pink Sapphire and White Diamond Ring in 18K Yellow Gold
Platinum
Located in Los Angeles, CA
Gorgeous GIA unheated 3.55 ct. pink sapphire oval with good quality white diamond rounds. Handmade in 18k yellow gold and platinum. Ring size 6.5. GIA certificate is included.
Category
21st Century and Contemporary Solitaire Rings
Materials
White Diamond, Pink Sapphire, Yellow Gold, Platinum
GIA White Diamond Oval Eternity Band in 18K White Gold
Located in Los Angeles, CA
Gorgeous eternity band with 7.51 ct. white diamond ovals HI color VVS- VS clarity. Total of 15 stones. Handmade in 18k white gold. Ring size 6.5. GIA certificates included.
Category
21st Century and Contemporary Band Rings
Materials
White Diamond, White Gold
Ruby and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Beautiful 2.23 ct. ruby oval with 0.41 ct. good quality white diamond baguettes and rounds. Handmade in platinum. Ring size 5.25.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Ruby, Platinum
Ruby Oval and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous 1.48 ct. ruby oval with 0.77 ct. good quality white diamond rounds and baguettes. Handmade platinum mounting in ring size 5.75.
Category
21st Century and Contemporary Cluster Rings
Materials
White Diamond, Ruby, Platinum
Blue Sapphire Marquise and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous deep blue 1.90 ct. blue sapphire cabochon marquise shape with 0.95 ct. good quality white diamond rounds and baguettes. Handmade platinum mounting in size 5.75.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Blue Sapphire, Platinum
Green Jade Cabochon and Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Beautiful deep green jade weighing 2.29 ct. with 0.49 ct. good quality white diamond marquise cuts. Handmade in platinum. Ring size 4.25.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Jade, Platinum
GIA Color Change Tanzanian Sapphire and Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous 2.26 ct. Tanzanian color change sapphire oval with 1.31 ct. good quality white diamond baguettes. Handmade in platinum. Color change is from blue to violet. Ring size 7.2...
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Sapphire, Platinum
Carved Coral Smiling Buddha Pendant in 18K Two Tone Gold
Located in Los Angeles, CA
Beautiful smiling Buddha carved coral pendant with emeralds and diamonds. Handmade in 18k white and yellow gold.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Coral, Gold
Cat
s Eye Chrysoberyl Oval Cabochon and White Diamond Cocktail Ring
Located in Los Angeles, CA
Beautiful 1.73 ct. cat's eye chrysoberyl oval cabochon and 0.74 ct. good quality white diamond baguettes and rounds. Handmade platinum mounting. Ring size 6.5.
Category
21st Century and Contemporary Cocktail Rings
Materials
Chrysoberyl, White Diamond, Platinum
Purple Spinel and Diamond Cocktail Ring in 18k Yellow Gold
Located in Los Angeles, CA
Gorgeous 5.19 ct. purple spinel oval with 0.05 ct. good quality white diamond rounds. Handmade in 18k yellow gold. Ring size 7.25.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Spinel, Yellow Gold
Tanzanite and Diamond Ring in 14k White Gold
Located in Los Angeles, CA
Beautiful 4.00 ct. tanzanite trillion with 0.15 ct. good quality white diamond rounds. Handmade in 14k white gold. Ring size 9.5.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Tanzanite, White Gold
Green Tsavorite Garnet Oval and White Diamond Ring in Platinum
Located in Los Angeles, CA
Gorgeous bright green 2.01 ct. green tsavorite garnet oval with 0.55 ct. good quality white diamond baguettes. Handmade in platinum. Ring size 7.5.
Category
21st Century and Contemporary Fashion Rings
Materials
White Diamond, Garnet, Tsavorite, Platinum
GIA Burma Ruby Oval and White Diamond Ring in 18k Yellow Gold
Located in Los Angeles, CA
Beautiful 2.81 ct. Burma red ruby oval with 1.00 ct. of good quality white diamond baguettes. Handmade in 18k yellow gold. Ring size 6.25. GIA certificate included.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Ruby, Yellow Gold
Purplish Pink Spinel Solitaire Ring in 18k White Gold
Located in Los Angeles, CA
Beautiful 5.33 ct. purplish pink spinel octagon. Handmade in 18k white gold. Ring size 7.
Category
21st Century and Contemporary Solitaire Rings
Materials
Spinel, White Gold
Green Sphene Round Solitaire Ring in 18k White Gold
Located in Los Angeles, CA
Gorgeous 12.60 ct. green sphene round in a handmade 18k white gold ring. Ring size 8.25.
Category
21st Century and Contemporary Solitaire Rings
Materials
White Gold
Estate Amethyst Multi Shape Necklace in 18k Yellow Gold
Located in Los Angeles, CA
Beautiful amethyst multi shape necklace in 18k yellow gold. Length is 16".
Category
21st Century and Contemporary Drop Necklaces
Materials
Amethyst, Yellow Gold
White Diamond Semi Hoop Flower Cluster Earrings in 18k White Gold
Located in Los Angeles, CA
Gorgeous 3.17 ct. of good quality, white, and bright diamond rounds. Handmade in 18k white gold. These semi hoops are perfect for night or day!
Category
21st Century and Contemporary Hoop Earrings
Materials
White Diamond, White Gold
White Diamond Round Bezel Pendant Necklace in 14K White Gold
Located in Los Angeles, CA
Beautiful 1.00 ct. white diamond round. Handmade in 14k white gold. Length is 18".
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, White Gold
White Diamond Coil Cuff in 18K White Gold
Located in Los Angeles, CA
Gorgeous cuff bangle with 12.90 ct. good quality white diamond rounds. Handmade in 18k white gold.
Category
21st Century and Contemporary Cuff Bracelets
Materials
White Diamond, White Gold
White Diamond Pave Heart Shape Necklace in Platinum
Located in Los Angeles, CA
Beautiful 2.00 ct. of good quality white diamond round pave heart shape necklace. Handmade in platinum. Length is 18". Easy to stack with other necklaces or wear on it's own.
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, Platinum
Diamond and Ruby Dangle Earrings in 18k White Gold
Located in Los Angeles, CA
Gorgeous earrings featuring 1.24 ct. of good quality, white, and bright baguette diamonds with 0.90 ct. of deep red ruby rounds. Handmade 18k white gold mounting.
Category
21st Century and Contemporary Dangle Earrings
Materials
Diamond, Ruby, White Gold
White Diamond Four Leaf Clover Pendant Necklace in 18k Gold
Located in Los Angeles, CA
Beautiful 3.00 ct. white diamond round four leaf clover pendant handmade in 18k yellow and white gold. Necklace length is 16".
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, 18k Gold
White Opal Beads with White Diamond and 18k Yellow Gold Clasp
Located in Los Angeles, CA
Beautiful necklace with 2 strands of white opal beads and a very nice 18k yellow gold clasp that has 0.15 ct. white diamond rounds. Length is 16".
Category
21st Century and Contemporary Beaded Necklaces
Materials
White Diamond, Opal, Yellow Gold
Orange Pink Tourmaline and Diamond Pendant Necklace in Platinum
Located in Los Angeles, CA
Gorgeous 6.00 ct. orange pink tourmaline oval with 0.21 ct. good quality white diamond rounds. Handmade in platinum. Chain is 18".
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, Tourmaline, Platinum
White South Sea Pearl and Diamond Necklace in 18K 2 Tone Gold
Located in Los Angeles, CA
Beautiful pendant necklace with large 11-12 mm white South sea round pearls and 0.49 ct. natural pink and white diamond rounds. Handmade in 18k rose and white gold. Length is 19".
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, South Sea Pearl, Gold
GIA Red Spinel Cushion and White Diamond Cocktail Ring in 18k White Gold
Located in Los Angeles, CA
Gorgeous 11.09 ct. red spinel cushion with good quality white diamond rounds. Handmade in 18k white gold. Ring size 7.5. GIA certificate included.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Spinel, White Gold
GIA Cushion Cut Purple Pink Spinel
Diamond Dangle Earrings in 18K Rose Gold
Located in Los Angeles, CA
Beautiful unheated 12.00 ct. purple pink spinel cushion and 0.22 ct. good quality white diamond rounds. Handmade in 18k rose gold.
Category
21st Century and Contemporary Dangle Earrings
Materials
Diamond, Spinel, Rose Gold
Purplish Blue Sapphire Oval and White Diamond Cocktail Ring in Platinum
Located in Los Angeles, CA
Gorgeous 6.59 carat purplish blue sapphire oval with 1.64 carats of bright white diamond rounds and baguettes. Handmade dainty platinum mounting size 6. Perfect to elevate your outf...
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, White Diamond, Sapphire, Blue Sapphire, Platinum
White Diamond and Blue Sapphire Pendant Necklace in 8K White Gold
Located in Los Angeles, CA
Beautiful 1.03 ct. white diamond trillion with a 3.00 ct, blue sapphire emerald cut. Handmade in 18k white gold. Length of chain is 18".
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, Blue Sapphire, White Gold
Earrings and Brooch Set in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful earrings and brooch handmade with 18k yellow gold. Approximate gold weight is 61.20 grams.
Category
21st Century and Contemporary Brooches
Materials
Yellow Gold
Fancy Shape Aquamarine and White Diamond Pendant Necklace in 14K Yellow Gold
Located in Los Angeles, CA
Beautiful fancy shaped aquamarine that weighs 8.50 ct. with 0.30 ct. good quality white diamond rounds. Handmade in 14k yellow gold. Chain length is 16".
Category
21st Century and Contemporary Pendant Necklaces
Materials
Aquamarine, White Diamond, Yellow Gold
White Diamond Round Tennis Necklace in 14K White Gold
Located in Los Angeles, CA
Gorgeous 18.00 ct. good quality white diamond round tennis necklace with 110 total stones. Handmade in 14k white gold. Length is 14".
Category
21st Century and Contemporary Chain Necklaces
Materials
White Diamond, White Gold
Green Tourmaline and White Diamond Omega Necklace in 18K White Gold
Located in Los Angeles, CA
Beautiful 24.38 ct. green tourmaline emerald cut with 0.06 ct. good quality white diamond rounds. Handmade in 18k white gold with an omega chain.
Category
21st Century and Contemporary Pendant Necklaces
Materials
White Diamond, Tourmaline, White Gold
White Diamond Round Tennis Necklace in 14K White Gold
Located in Los Angeles, CA
Gorgeous 18.00 ct. good quality, bright, and white diamond round tennis necklace. Length is 18".
Category
21st Century and Contemporary Chain Necklaces
Materials
White Diamond, White Gold
Emerald and White Diamond Cluster Necklace in 14K White Gold
Located in Los Angeles, CA
Beautiful cluster style necklace a with 1.86 ct. emerald oval and 7.50 ct. of good quality, white, and bright diamond rounds and marquise shapes. Handmade in 14k white gold. Length...
Category
21st Century and Contemporary Drop Necklaces
Materials
White Diamond, Emerald, White Gold
GIA White Diamond Emerald Cut Eternity Band Ring in 18K White Gold
Located in Los Angeles, CA
Gorgeous 9.03 ct. white diamond emerald cuts I color, VS1-VS2 clarity. Handmade in 18k white gold. Ring size 7. Total of 18 stones. All GIA certificates included.
Category
21st Century and Contemporary Band Rings
Materials
White Diamond, Emerald, White Gold
GIA Green Jadeite Oval Cabochon and White Diamond Ring in Platinum
Located in Los Angeles, CA
Beautiful 21.80 ct. GIA green jadeite oval cabochon with 0.75 ct. good quality white diamond rounds. Handmade in platinum. Ring size 7.25.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Platinum
Ruby Oval Cabochon and White Diamond Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Beautiful 3.50 ct. ruby oval cabochons with 0.05 ct. white diamond rounds handmade in 18k yellow gold. Fun and flirty butterfly design is perfect to add some playful magic to your o...
Category
21st Century and Contemporary Stud Earrings
Materials
White Diamond, Ruby, Yellow Gold
Tahitian Pearl, White Sapphire and Diamond Necklace in Platinum and 18 Karat
Located in Los Angeles, CA
Gorgeous Tahitian pearl and 2.67 carats of white sapphires with 2.37 carats of white diamonds in this eclectic yet modern design. This necklace is 20" long platinum and 18k white go...
Category
21st Century and Contemporary Drop Necklaces
Materials
Diamond, White Diamond, Pearl, Black Pearl, Sapphire, 18k Gold, White Go...
Onyx and Round Diamond Clip-On Earrings in 18K Yellow Gold
Located in Los Angeles, CA
Gorgeous earrings with onyx and 1.75 ct. good quality, white, and bright diamond rounds. Handmade in 18k yellow gold.
Category
21st Century and Contemporary Clip-on Earrings
Materials
Diamond, Onyx, Yellow Gold
Yellow and White Diamond Dangle Earrings in 18k White Gold
Located in Los Angeles, CA
Gorgeous earrings with 2.64 ct. good quality white and yellow diamond marquise, ovals, and rounds. Handmade in 18k white gold. These are bright and beautifully made.
Category
21st Century and Contemporary Dangle Earrings
Materials
White Diamond, White Gold
Emerald and Pave Diamond Necklace in 14 Karat Yellow Gold
Located in Los Angeles, CA
Estate Emerald & 0.65ctw Pave Diamond 14K Yellow Gold Necklace 7 Strands Em Beads Bow Clasp Approx.Wt.
Category
21st Century and Contemporary Beaded Necklaces
Materials
Diamond, Emerald, Yellow Gold
GRS Madagascar Purplish Red Ruby and Diamond Cocktail Ring in Platinum and 18k
Located in Los Angeles, CA
Stunning 7.05 ct. Madagascar purplish red ruby oval with good quality white diamond rounds. Handmade in platinum and 18k yellow gold. Ring size 6.5. GRS certificate is included.
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, Ruby, Platinum
CD Unheated Burma Ruby and White Diamond Cocktail Ring in Platinum and 18k
Located in Los Angeles, CA
Gorgeous 22.02 ct. unheated Burma ruby cushion with good quality, white, and bright diamond rounds. Handmade in platinum and 18k yellow gold. Ring size 6+. Comes with C. Dunaigre ...
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Ruby, Platinum
GIA Half Moon White Diamond Rosecut Ring in Platinum
Located in Los Angeles, CA
Beautiful 2.93 ct. G I1 white diamond rosecut half moon shape with 1.00 ct. white diamond round pave. Handmade in platinum. Ring size 6.25. GIA certificate included.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Platinum
White and Natural Fancy Color Diamond Pendant Necklace in 18k
Located in Los Angeles, CA
Gorgeous 1.00 ct. white and natural fancy multi color round, marquise, and pear shape diamonds in a handmade 18k white gold mounting. Adjustable chain.
Category
21st Century and Contemporary Pendant Necklaces
Materials
Diamond, 18k Gold
Mandarin Garnet and White Diamond Cocktail Ring in Platinum and 18k Yellow Gold
Located in Los Angeles, CA
Beautiful 3.95 ct. Mandarin garnet pear shape with 2.00 ct. good quality white diamond rounds. Handmade in platinum and 18k yellow gold. Ring size 6.75.
Category
21st Century and Contemporary Cocktail Rings
Materials
White Diamond, Garnet, Mandarin Garnet, Yellow Gold, Platinum
GIA Orange and Yellow Sphalerite Octagon and Diamond Cocktail Ring in 18k
Located in Los Angeles, CA
Gorgeous and very unusual 51.17 ct. orange and yellow sphalerite octagon with good quality micro pave round diamonds. Handmade in 18k yellow gold, ring size 6.5. GIA certificate in...
Category
21st Century and Contemporary Cocktail Rings
Materials
Diamond, 18k Gold
White Diamond Round Bangle in 14K Yellow Gold
Located in Los Angeles, CA
Beautiful 3.00 ct. white diamond rounds in this handmade 14k yellow gold bangle. A total of 15 stones. A great addition to any fine jewelry collection.
Category
21st Century and Contemporary Bangles
Materials
White Diamond, Yellow Gold
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Kothari Company Inc For Sale on 1stDibs
Find the exact kothari company inc you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using gold, white gold and yellow gold. In our selection of items, you can find a vintage example as well as a contemporary version. Finding the perfect kothari company inc may mean sifting through those created during different time periods — you can find an early version that dates to the 20th Century and a newer variation that were made as recently as the 21st Century. Creating a kothari company inc has been a part of the legacy of many jewelers, but those produced by H. Stern, Kabana and Bulgari are consistently popular. Take a look at a kothari company inc featuring diamond from our inventory today to add the perfect touch to your look. See these pages for a round cut iteration of this accessory, while there are also oval cut cut and emerald cut cut versions available here, too. Most of our kothari company inc for sale are for men, but there are 2511 pieces available to browse for women.
How Much is a Kothari Company Inc?
On average, a kothari company inc at 1stDibs sells for $8,075, while they’re typically $450 on the low end and $1,000,000 for the highest priced versions of this item.
The Legacy of Diamond in Jewelry Design
Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.
From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!
There are several factors that set diamonds apart from other stones, and these points are important to our gem education.
Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.
In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).
When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement rings, vintage engagement rings or Art Deco engagement rings.
Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.
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