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GIA Certified 5.35 Carat Cushion Cut Burma Sapphire Vintage Ring
$168,750
£127,400.73
€146,154.09
CA$235,565.97
A$256,508.94
CHF 135,706.79
MX$3,093,400.38
NOK 1,726,654.73
SEK 1,578,525.67
DKK 1,091,539.29
About the Item
GIA certified 5.35 carat cushion cut Burma sapphire ring in 18K white gold with 1.50 carat diamonds featuring no heat treatment and vintage halo setting. Royal blue sapphire from Myanmar with nearly flawless antique French square cut diamond side stones flanked by baguette cut diamonds and round cut diamond halo, size 4.75, adjustable.
Product Specifications:
Item Type: Vintage Engagement Ring
Metal: 18K White Gold
Size: 4.75 (adjustable with sizing beads)
Weight: 6.76 grams
Setting Style: Vintage Halo
Center Stone Details:
Gemstone: Natural Sapphire
Carat: 5.35 Carat
Shape: Cushion Cut
Color: Deep Blue (Royal Blue)
Origin: Burma (Myanmar)
Treatment: No Heat
Transparency: Transparent
Certification: GIA Report 5231479482
GIA Comments: The color appearance of this stone is described in the trade as "Royal Blue."
Side Stone Details:
French Square Cut Diamonds (2pcs)
Baguette Diamonds (2pcs)
Round Diamond Halo: Surrounding the center stone
Total Diamond Weight: 1.50 Carats (approximate)
Color: F-G
Clarity: VS1-VS2
Measurements:
Ring Size: 4.75 (with sizing beads, adjustable)
Center Stone: 9.90 x 8.86 x 6.09mm
Total Weight: 6.76 grams
Carat Weight: 5.35ct sapphire + 1.50ct diamonds
This exceptional 5.35 carat Burma sapphire represents the absolute pinnacle of Sapphire quality, exhibiting the legendary "Royal Blue" saturation that defines top-grade gems. The color distribution demonstrates remarkable uniformity across the cushion's faceted surface, with no visible color zoning or secondary hue. The saturation reaches an optimal 85-90% intensity, creating the coveted "Roya Bluel" appearance that Burma sapphires are renowned for. Crystal clarity is loupe-clean with minute silk inclusions that actually enhance the stone's lustrous properties by creating internal light diffusion. The brilliance factor is exceptional, with each facet junction creating crisp light return and scintillation patterns typical of perfectly proportioned cushion cuts. Most significantly, the complete absence of heat treatment preserves the sapphire's natural crystal structure, resulting in superior hardness, enhanced pleochroism, and the distinctive fluorescent properties that separate unheated Burma stones from all other origins. And at over 5 carats, this is quite an exceptional gem.
This vintage 18K white gold setting features nearly flawless antique French square cut diamond side stones flanked by precision-cut baguettes, creating sophisticated geometric progression toward the round diamond halo that encircles the sapphire. The secure four-prong mounting showcases the cushion-cut sapphire while allowing maximum light penetration. At 6.76 grams, the substantial construction ensures lasting durability while maintaining refined proportions.
- Ring Size:4.75 US, Resizable
- Metal:
- Stone:
- Stone Cut:
- Weight:6.76 g
- Style:
- Lab Report Available:GIA 5231479482
- Period:
- Date of Manufacture:2025
- Condition:
- Seller Location:Miami, FL
- Reference Number:Seller: POTC2218R1stDibs: LU649327110612
Resizing is available.
About the Seller
4.9
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Established in 1983
1stDibs seller since 2017
127 sales on 1stDibs
Typical response time: 1 hour
- ShippingRetrieving quote...Shipping from: Miami, FL
- Return Policy
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