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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 3475829564

Certificate GIA 3475829564

Diamond specifications and retailer prices

From $4,158 SGD
As of November 5, 2026
Save $4,791 SGD (54%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,949 SGD at MOH London · As of November 2, 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 H 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 3475829564. Listed at 13 retailers as of November 2, 2026, with prices from $4,158 to $8,949, a $4,791 spread on the same certified stone. MOH London lists it at $8,949. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.1°
Pavilion angle59.6°
OriginNatural
Grading LabGIA
CertificateGIA 3475829564
Dimensions6.19 × 6.12 × 4.16 mm
L/W Ratio1.01
Top View
6.19 mm6.12 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3475829564
Side View
Table 66.0%Crown 50.1°Girdle: STK-VTKPavilion 59.6°Culet: NoneDepth 68.0%

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: $8,949 SGD|Low: $4,158 SGD|High: $9,185 SGD|Avg: $5,714 SGD|+1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 9$4,158 SGD
Retailer 10$4,323 SGD
Retailer 8$4,498 SGD
Retailer 6$4,687 SGD
Retailer 4$4,847 SGD
Retailer 2$5,237 SGD
Retailer 3$5,267 SGD
Retailer 11$5,267 SGD
Retailer 12$5,434 SGD
Retailer 13$5,534 SGD
Retailer 5$5,803 SGD
Retailer 7$6,311 SGD
MOH London$8,949 SGD

45 data points across 13 retailers

13 retailers$4,158 SGD to $8,949 SGD

A
Cheapest Retailer
-
$4,158 SGD
A
Retailer 2
-
$4,323 SGD
View
Final sale: no returns
A
Retailer 3
-
$4,498 SGD
View
A
Retailer 4
-
$4,687 SGD
View
Retailer 5
-
$4,847 SGD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$5,237 SGD
View
A
Retailer 7
-
$5,267 SGD
View
A
Retailer 8
-
$5,267 SGD
View
A
Retailer 9
-
$5,434 SGD
View
A
Retailer 10
-
$5,534 SGD
View
Retailer 11
-
$5,803 SGD
View
Price last confirmed 29 days ago
A
Retailer 12
-
$6,311 SGD
View
Most Expensive
B+
MOH London
2FDA6A337 · Nov 2
$8,949 SGD
£5,498 GBP
View
12 more retailers have this diamond
Prices start from $4,158 SGDSave up to $4,791 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
$4,158 SGD