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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6552075958

Certificate GIA 6552075958

Diamond specifications and retailer prices

From $4,795 SGD
HK$29,300 HKD
As of November 1, 2026
Save $6,441 SGD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $11,235 SGD at Queensmith · As of October 28, 2026
View at Queensmith

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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552075958. Listed at 19 retailers as of October 28, 2026, with prices from $4,795 to $11,235, a $6,441 spread on the same certified stone. Queensmith lists it at $11,235. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552075958
Dimensions7.85 × 5.87 × 4.00 mm
L/W Ratio1.34
Top View
7.85 mm5.87 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552075958
Side View
Table 71.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 68.2%

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 1
Current: $11,235 SGD|Low: $4,795 SGD|High: $11,324 SGD|Avg: $7,038 SGD|+2.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$4,795 SGD
Retailer 5$5,110 SGD
Retailer 10$5,607 SGD
Retailer 8$5,842 SGD
Retailer 2$6,132 SGD
Retailer 4$6,295 SGD
Retailer 9$6,524 SGD
Retailer 3$7,161 SGD
Retailer 6$10,082 SGD
Queensmith$11,235 SGD

25 data points across 10 retailers

19 retailers$4,795 SGD to $11,235 SGD

A
Cheapest Retailer
-
$4,795 SGD
HK$29,300 HKD
A
Retailer 2
-
$5,110 SGD
₹380,700 INR
View
A
Retailer 3
-
$5,607 SGD
View
A
Retailer 4
-
$5,831 SGD
$4,561 USD
View
A
Retailer 5
-
$5,842 SGD
$4,570 USD
View
Final sale: no returns
Retailer 6
-
$6,095 SGD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$6,132 SGD
£3,777 GBP
View
A
Retailer 8
-
$6,280 SGD
A$7,558 AUD
View
A
Retailer 9
-
$6,295 SGD
£3,877 GBP
View
Retailer 10
-
$6,395 SGD
$5,002 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$6,395 SGD
$5,002 USD
View
Price last confirmed 15 days ago
Retailer 12
-
$6,395 SGD
$5,002 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$6,524 SGD
$5,103 USD
View
B+
Retailer 14
-
$7,161 SGD
€5,335 EUR
View
Retailer 15
-
$7,379 SGD
$5,772 USD
View
Price last confirmed 14 days ago
Retailer 16
-
$7,548 SGD
$5,904 USD
View
Price last confirmed 56 days ago
B+
Retailer 17
-
$10,082 SGD
£6,210 GBP
View
Retailer 18
-
$11,141 SGD
$8,715 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6552075958 · Oct 28
$11,235 SGD
£6,920 GBP
View
18 more retailers have this diamond
Prices start from $4,795 SGDSave up to $6,441 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
$4,795 SGD