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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

EX • D/SI2 • GIA 6542929464

Certificate GIA 6542929464

Diamond specifications and retailer prices

From $5,799 SGD
$4,536 USD
As of October 31, 2026
Save $5,400 SGD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $11,199 SGD at NZ Jewellers · As of October 30, 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 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 6542929464. Listed at 6 retailers as of October 30, 2026, with prices from $5,799 to $11,199, a $5,400 spread on the same certified stone. NZ Jewellers lists it at $11,199. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle48.26°
Pavilion angle35.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542929464
Dimensions7.88 × 5.68 × 3.84 mm
L/W Ratio1.39
Top View
7.88 mm5.68 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542929464
Side View
Table 66.0%Crown 48.26°GirdlePavilion 35.33°CuletDepth 67.6%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: $11,199 SGD|Low: $5,760 SGD|High: $11,199 SGD|Avg: $7,697 SGD|+3.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6$5,799 SGD
Retailer 2$6,057 SGD
Retailer 4$6,428 SGD
Retailer 5$6,428 SGD
Retailer 7$7,073 SGD
Retailer 9$7,386 SGD
Retailer 8$7,976 SGD
Retailer 3$10,238 SGD
NZ Jewellers$11,199 SGD

32 data points across 9 retailers

6 retailers$5,799 SGD to $11,199 SGD

A
Cheapest Retailer
-
$5,799 SGD
$4,536 USD
A
Retailer 2
-
$6,057 SGD
£3,731 GBP
View
A
Retailer 3
-
$6,428 SGD
$5,028 USD
View
A
Retailer 4
-
$6,428 SGD
$5,028 USD
View
B+
Retailer 5
-
$10,238 SGD
£6,306 GBP
View
Most Expensive
B
NZ Jewellers
6f9e46f1-0602-4903-834b-51754f30af88 · Oct 30
$11,199 SGD
$8,760 USD
View
5 more retailers have this diamond
Prices start from $5,799 SGDSave up to $5,400 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
$5,799 SGD