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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 $5,185 CAD
HK$29,000 HKD
As of October 30, 2026
Save $7,091 CAD (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,277 CAD 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 $5,185 to $12,277, a $7,091 spread on the same certified stone. Queensmith lists it at $12,277. 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: Oct 30
Current: $12,277 CAD|Low: $5,571 CAD|High: $12,374 CAD|Avg: $7,898 CAD|+2.1%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 4$5,605 CAD
Retailer 9$6,127 CAD
Retailer 7$6,384 CAD
Retailer 5$6,721 CAD
Retailer 2$6,821 CAD
Retailer 8$7,128 CAD
Retailer 3$7,828 CAD
Retailer 6$11,075 CAD
Queensmith$12,277 CAD

25 data points across 9 retailers

19 retailers$5,185 CAD to $12,277 CAD

A
Cheapest Retailer
-
$5,185 CAD
HK$29,000 HKD
A
Retailer 2
-
$5,605 CAD
₹382,109 INR
View
A
Retailer 3
-
$6,127 CAD
SGD 5,927 SGD
View
A
Retailer 4
-
$6,371 CAD
$4,561 USD
View
A
Retailer 5
-
$6,384 CAD
$4,570 USD
View
Final sale: no returns
A
Retailer 6
-
$6,660 CAD
SGD 6,443 SGD
View
A
Retailer 7
-
$6,721 CAD
£3,789 GBP
View
A
Retailer 8
-
$6,821 CAD
£3,845 GBP
View
A
Retailer 9
-
$6,863 CAD
A$7,558 AUD
View
Retailer 10
-
$6,987 CAD
$5,002 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$6,987 CAD
$5,002 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$6,987 CAD
$5,002 USD
View
Price last confirmed 15 days ago
A
Retailer 13
-
$7,128 CAD
$5,103 USD
View
B+
Retailer 14
-
$7,828 CAD
€5,337 EUR
View
Retailer 15
-
$8,063 CAD
$5,772 USD
View
Price last confirmed 12 days ago
Retailer 16
-
$8,247 CAD
$5,904 USD
View
Price last confirmed 54 days ago
B+
Retailer 17
-
$11,075 CAD
£6,243 GBP
View
Retailer 18
-
$12,174 CAD
$8,715 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Queensmith
6552075958 · Oct 28
$12,277 CAD
£6,920 GBP
View
18 more retailers have this diamond
Prices start from $5,185 CADSave up to $7,091 CAD

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
$5,185 CAD