Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 6552075958

Certificate GIA 6552075958

Diamond specifications and retailer prices

From $3,750 USD
HK$29,300 HKD
As of November 1, 2026
Save $5,038 USD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,788 USD 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 $3,750 to $8,788, a $5,038 spread on the same certified stone. Queensmith lists it at $8,788. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,788 USD|Low: $3,750 USD|High: $8,858 USD|Avg: $5,635 USD|+1.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 6$3,750 USD
Retailer 2$3,997 USD
Retailer 10$4,386 USD
Retailer 8$4,570 USD
Retailer 3$4,797 USD
Retailer 5$4,883 USD
Retailer 9$5,103 USD
Retailer 7$5,604 USD
Retailer 4$7,887 USD
Queensmith$8,788 USD

25 data points across 10 retailers

19 retailers$3,750 USD to $8,788 USD

A
Cheapest Retailer
-
$3,750 USD
HK$29,300 HKD
A
Retailer 2
-
$3,997 USD
₹380,700 INR
View
A
Retailer 3
-
$4,386 USD
SGD 5,927 SGD
View
A
Retailer 4
-
$4,561 USD
View
A
Retailer 5
-
$4,570 USD
View
Final sale: no returns
A
Retailer 6
-
$4,768 USD
SGD 6,443 SGD
View
A
Retailer 7
-
$4,797 USD
£3,777 GBP
View
A
Retailer 8
-
$4,883 USD
£3,845 GBP
View
A
Retailer 9
-
$4,913 USD
A$7,558 AUD
View
Retailer 10
-
$5,002 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$5,002 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$5,002 USD
View
Price last confirmed 16 days ago
A
Retailer 13
-
$5,103 USD
View
B+
Retailer 14
-
$5,604 USD
€5,337 EUR
View
Retailer 15
-
$5,772 USD
View
Price last confirmed 13 days ago
Retailer 16
-
$5,904 USD
View
Price last confirmed 56 days ago
B+
Retailer 17
-
$7,887 USD
£6,210 GBP
View
Retailer 18
-
$8,715 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
6552075958 · Oct 28
$8,788 USD
£6,920 GBP
View
18 more retailers have this diamond
Prices start from $3,750 USDSave up to $5,038 USD

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
$3,750 USD