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Radiant|Natural|GIA

1.51ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 1543922780

Certificate GIA 1543922780

Diamond specifications and retailer prices

From $2,467 SGD
As of October 31, 2026
Save $2,556 SGD (51%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,023 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543922780. Listed at 10 retailers as of October 26, 2026, with prices from $2,467 to $5,023, a $2,556 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,023. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543922780
Dimensions7.68 × 5.81 × 3.94 mm
L/W Ratio1.32
Culet sizeNone
Top View
7.68 mm5.81 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543922780
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.9%

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: $3,181 SGD|Low: $2,467 SGD|High: $5,312 SGD|Avg: $3,571 SGD|-1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 2, 2026
Retailer 6$2,467 SGD
Retailer 3$2,918 SGD
Retailer 2$2,943 SGD
Retailer 1$3,181 SGD
Retailer 9$3,205 SGD
Retailer 7$3,471 SGD
Retailer 4$3,491 SGD
Retailer 8$3,644 SGD
Retailer 5$4,485 SGD
Wholesale Diamonds Direct$5,023 SGD

36 data points across 10 retailers

10 retailers$2,467 SGD to $5,023 SGD

A
Cheapest Retailer
-
$2,467 SGD
A
Retailer 2
-
$2,918 SGD
$2,282 USD
View
A
Retailer 3
-
$2,943 SGD
$2,301 USD
View
A
Retailer 4
-
$3,181 SGD
£1,958 GBP
View
A
Retailer 5
-
$3,205 SGD
View
A
Retailer 6
-
$3,471 SGD
$2,714 USD
View
A
Retailer 7
-
$3,491 SGD
$2,730 USD
View
A
Retailer 8
-
$3,644 SGD
$2,849 USD
View
A
Retailer 9
-
$4,485 SGD
$3,507 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
525257240 · Oct 26
$5,023 SGD
$3,927 USD
View
9 more retailers have this diamond
Prices start from $2,467 SGDSave up to $2,556 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
$2,467 SGD