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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 $3,430 USD
HK$26,800 HKD
As of November 1, 2026
Save $5,047 USD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,477 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 6551095070. Listed at 20 retailers as of October 28, 2026, with prices from $3,430 to $8,477, a $5,047 spread on the same certified stone. Queensmith lists it at $8,477. 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
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,477 USD|Low: $3,392 USD|High: $8,528 USD|Avg: $5,107 USD|+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$3,430 USD
Retailer 2$3,666 USD
Retailer 8$4,033 USD
Retailer 16$4,222 USD
Retailer 15$4,356 USD
Retailer 9$4,432 USD
Retailer 11$4,511 USD
Retailer 5$4,574 USD
Retailer 14$4,574 USD
Retailer 4$4,690 USD
Retailer 6$4,724 USD
Retailer 13$5,177 USD
Retailer 3$5,278 USD
Retailer 10$7,286 USD
Retailer 7$7,969 USD
Queensmith$8,477 USD

24 data points across 16 retailers

20 retailers$3,430 USD to $8,477 USD

A
Cheapest Retailer
-
$3,430 USD
HK$26,800 HKD
A
Retailer 2
-
$3,666 USD
₹349,173 INR
View
A
Retailer 3
-
$4,033 USD
SGD 5,450 SGD
View
A
Retailer 4
-
$4,193 USD
View
A
Retailer 5
-
$4,222 USD
View
Final sale: no returns
A
Retailer 6
-
$4,356 USD
SGD 5,887 SGD
View
A
Retailer 7
-
$4,432 USD
£3,490 GBP
View
A
Retailer 8
-
$4,511 USD
£3,552 GBP
View
A
Retailer 9
-
$4,549 USD
A$6,998 AUD
View
A
Retailer 10
-
$4,574 USD
View
Retailer 11
-
$4,574 USD
View
Price last confirmed 14 days ago
Retailer 12
-
$4,603 USD
View
Price last confirmed 16 days ago
Retailer 13
-
$4,603 USD
View
Price last confirmed 15 days ago
A
Retailer 14
-
$4,690 USD
View
A
Retailer 15
-
$4,724 USD
View
A
Retailer 16
-
$5,177 USD
€4,930 EUR
View
Retailer 17
-
$5,278 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
$7,286 USD
£5,737 GBP
View
Retailer 19
-
$7,969 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Queensmith
6551095070 · Oct 28
$8,477 USD
£6,675 GBP
View
19 more retailers have this diamond
Prices start from $3,430 USDSave up to $5,047 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
$3,430 USD