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Radiant|Natural|GIA

1.51ct K SI2 Radiant Natural Diamond

ID • K/SI2 • GIA 6243086864

Certificate GIA 6243086864

Diamond specifications and retailer prices

From $2,526 SGD
As of November 5, 2026
Save $4,639 SGD (65%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,165 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6243086864. Listed at 10 retailers as of November 5, 2026, with prices from $2,526 to $7,165, a $4,639 spread on the same certified stone. NZ Jewellers lists it at $7,165. 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

1.51
Carat
K
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
Pavilion angle58.69°
OriginNatural
Grading LabGIA
CertificateGIA 6243086864
Dimensions7.87 × 5.63 × 3.92 mm
L/W Ratio1.40
Key to symbols
Crystal, Feather, Needle
Top View
7.87 mm5.63 mm1.51 ctK / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6243086864
Side View
Table 64.0%CrownGirdle: THN-MEDPavilion 58.69°Culet: NoneDepth 69.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,165 SGD|Low: $2,526 SGD|High: $7,622 SGD|Avg: $4,385 SGD|-6.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 5$2,526 SGD
Retailer 3$3,414 SGD
Retailer 6$3,427 SGD
Retailer 4$3,512 SGD
Retailer 2$3,559 SGD
Retailer 7$3,737 SGD
Retailer 9$4,118 SGD
Retailer 10$5,288 SGD
Retailer 8$6,084 SGD
NZ Jewellers$7,165 SGD

26 data points across 10 retailers

10 retailers$2,526 SGD to $7,165 SGD

A
Cheapest Retailer
-
$2,526 SGD
A
Retailer 2
-
$3,414 SGD
View
A
Retailer 3
-
$3,427 SGD
View
A
Retailer 4
-
$3,512 SGD
View
A
Retailer 5
-
$3,559 SGD
View
A
Retailer 6
-
$3,737 SGD
View
A
Retailer 7
-
$4,118 SGD
View
B+
Retailer 8
-
$5,288 SGD
View
B+
Retailer 9
-
$6,084 SGD
View
Most Expensive
B
NZ Jewellers
c933f9ce-d291-4579-89d0-8e423e614e02 · Nov 5
$7,165 SGD
$5,591 USD
View
9 more retailers have this diamond
Prices start from $2,526 SGDSave up to $4,639 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.

A
1.51ct Radiant
$2,526 SGD