CaratHunter
Plans
Radiant|Natural|GIA

1.51ct J SI2 Radiant Natural Diamond

EX • J/SI2 • GIA 1242037201

Certificate GIA 1242037201

Diamond specifications and retailer prices

From $4,265 SGD
As of November 6, 2026
Save $5,881 SGD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,146 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242037201. Listed at 7 retailers as of November 5, 2026, with prices from $4,265 to $10,146, a $5,881 spread on the same certified stone. NZ Jewellers lists it at $10,146. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle60.04°
OriginNatural
Grading LabGIA
CertificateGIA 1242037201
Dimensions7.91 × 5.61 × 3.92 mm
L/W Ratio1.41
Key to symbols
Crystal, Feather
Top View
7.91 mm5.61 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242037201
Side View
Table 64.0%CrownGirdle: MED-THKPavilion 60.04°Culet: NoneDepth 69.8%

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: Nov 6
Current: $10,146 SGD|Low: $4,265 SGD|High: $11,165 SGD|Avg: $7,112 SGD|-7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$4,265 SGD
Retailer 2$5,431 SGD
Retailer 4$5,824 SGD
Retailer 6$5,824 SGD
Retailer 7$6,371 SGD
Retailer 3$9,251 SGD
NZ Jewellers$10,146 SGD

29 data points across 7 retailers

7 retailers$4,265 SGD to $10,146 SGD

A
Cheapest Retailer
-
$4,265 SGD
B+
Retailer 2
-
$5,431 SGD
View
B+
Retailer 3
-
$5,824 SGD
View
B+
Retailer 4
-
$5,824 SGD
View
B
Retailer 5
-
$6,371 SGD
View
B
Retailer 6
-
$9,251 SGD
View
Most Expensive
B
NZ Jewellers
b561fd30-666a-4a5e-9951-9cf2b429056d · Nov 5
$10,146 SGD
$7,917 USD
View
6 more retailers have this diamond
Prices start from $4,265 SGDSave up to $5,881 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
$4,265 SGD