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Radiant|Natural|GIA

0.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6223495631

Certificate GIA 6223495631

Diamond specifications and retailer prices

From $1,411 SGD
$1,103 USD
As of November 2, 2026
Save $686 SGD (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,096 SGD at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6223495631. Listed at 2 retailers as of November 2, 2026, with prices from $1,411 to $2,096, a $686 spread on the same certified stone. 77 Diamonds lists it at $2,096. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6223495631
Dimensions6.16 × 3.87 × 2.53 mm
L/W Ratio1.59
Top View
6.16 mm3.87 mm0.51 ctD / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateGIA 6223495631
Side View
Table 60.0%CrownGirdle: Very ThickPavilionCuletDepth 65.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $2,096 SGD|Low: $1,390 SGD|High: $2,100 SGD|Avg: $1,744 SGD|+2.3%
77 Diamonds
Retailer 2
November 2, 2026
Retailer 2$1,411 SGD
77 Diamonds$2,096 SGD

35 data points across 2 retailers

2 retailers$1,411 SGD to $2,096 SGD

B
Cheapest Retailer
-
$1,411 SGD
$1,103 USD
Most Expensive
B
77 Diamonds
RADZVSHGMDFT · Nov 2
$2,096 SGD
£1,291 GBP
View
1 more retailer has this diamond
Prices start from $1,411 SGDSave up to $686 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
0.51ct Radiant
$1,411 SGD