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Radiant|Natural|GIA

1.50ct J SI1 Radiant Natural Diamond

EX • J/SI1 • GIA 5234058462

Certificate GIA 5234058462

Diamond specifications and retailer prices

From $3,066 SGD
As of October 31, 2026
Save $4,045 SGD (57%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,111 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural radiant diamond

This 1.5ct 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 5234058462. Listed at 9 retailers as of October 31, 2026, with prices from $3,066 to $7,111, a $4,045 spread on the same certified stone. MOH London lists it at $7,111. 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

1.50
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.6°
Pavilion angle60.2°
OriginNatural
Grading LabGIA
CertificateGIA 5234058462
Dimensions6.30 × 6.17 × 4.16 mm
L/W Ratio1.02
Top View
6.30 mm6.17 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5234058462
Side View
Table 66.0%Crown 49.6°Girdle: ThickPavilion 60.2°Culet: NoneDepth 67.4%

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: $7,111 SGD|Low: $3,066 SGD|High: $7,550 SGD|Avg: $4,755 SGD|-4.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$3,066 SGD
Retailer 7$3,775 SGD
Retailer 6$4,110 SGD
Retailer 4$4,252 SGD
Retailer 5$4,436 SGD
Retailer 2$4,443 SGD
Retailer 9$4,617 SGD
Retailer 3$5,226 SGD
MOH London$7,111 SGD

44 data points across 9 retailers

9 retailers$3,066 SGD to $7,111 SGD

A
Cheapest Retailer
-
$3,066 SGD
A
Retailer 2
-
$3,775 SGD
$2,953 USD
View
A
Retailer 3
-
$4,110 SGD
$3,215 USD
View
A
Retailer 4
-
$4,252 SGD
$3,326 USD
View
A
Retailer 5
-
$4,436 SGD
$3,470 USD
View
A
Retailer 6
-
$4,443 SGD
£2,737 GBP
View
Retailer 7
-
$4,617 SGD
A$5,556 AUD
View
Price last confirmed 25 days ago
B+
Retailer 8
-
$5,226 SGD
ZAR 66,046 ZAR
View
Most Expensive
B+
MOH London
5F7F473E7 · Nov 1
$7,111 SGD
£4,380 GBP
View
8 more retailers have this diamond
Prices start from $3,066 SGDSave up to $4,045 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
1.50ct Radiant
$3,066 SGD