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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6551095070

Certificate GIA 6551095070

Diamond specifications and retailer prices

From $4,385 SGD
HK$26,800 HKD
As of November 1, 2026
Save $6,452 SGD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,837 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 6551095070. Listed at 20 retailers as of October 28, 2026, with prices from $4,385 to $10,837, a $6,452 spread on the same certified stone. Queensmith lists it at $10,837. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551095070
Dimensions7.30 × 5.73 × 4.01 mm
L/W Ratio1.27
Top View
7.30 mm5.73 mm1.50 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551095070
Side View
Table 67.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.9%

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: $10,837 SGD|Low: $4,336 SGD|High: $10,902 SGD|Avg: $6,529 SGD|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 12$4,385 SGD
Retailer 2$4,687 SGD
Retailer 8$5,156 SGD
Retailer 16$5,397 SGD
Retailer 15$5,569 SGD
Retailer 9$5,666 SGD
Retailer 11$5,767 SGD
Retailer 5$5,847 SGD
Retailer 14$5,847 SGD
Retailer 4$5,996 SGD
Retailer 6$6,039 SGD
Retailer 13$6,618 SGD
Retailer 3$6,747 SGD
Retailer 10$9,314 SGD
Retailer 7$10,188 SGD
Queensmith$10,837 SGD

24 data points across 16 retailers

20 retailers$4,385 SGD to $10,837 SGD

A
Cheapest Retailer
-
$4,385 SGD
HK$26,800 HKD
A
Retailer 2
-
$4,687 SGD
₹349,173 INR
View
A
Retailer 3
-
$5,156 SGD
View
A
Retailer 4
-
$5,360 SGD
$4,193 USD
View
A
Retailer 5
-
$5,397 SGD
$4,222 USD
View
Final sale: no returns
A
Retailer 6
-
$5,569 SGD
View
A
Retailer 7
-
$5,666 SGD
£3,490 GBP
View
A
Retailer 8
-
$5,767 SGD
£3,552 GBP
View
A
Retailer 9
-
$5,815 SGD
A$6,998 AUD
View
A
Retailer 10
-
$5,847 SGD
$4,574 USD
View
Retailer 11
-
$5,847 SGD
$4,574 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$5,884 SGD
$4,603 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$5,884 SGD
$4,603 USD
View
Price last confirmed 16 days ago
A
Retailer 14
-
$5,996 SGD
$4,690 USD
View
A
Retailer 15
-
$6,039 SGD
$4,724 USD
View
A
Retailer 16
-
$6,618 SGD
€4,930 EUR
View
Retailer 17
-
$6,747 SGD
$5,278 USD
View
Price last confirmed 14 days ago
B
Retailer 18
-
$9,314 SGD
£5,737 GBP
View
Retailer 19
-
$10,188 SGD
$7,969 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6551095070 · Oct 28
$10,837 SGD
£6,675 GBP
View
19 more retailers have this diamond
Prices start from $4,385 SGDSave up to $6,452 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
$4,385 SGD