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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 $6,666 NZD
HK$29,300 HKD
As of November 1, 2026
Save $8,954 NZD (57%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $15,620 NZD 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 $6,666 to $15,620, a $8,954 spread on the same certified stone. Queensmith lists it at $15,620. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $15,620 NZD|Low: $6,666 NZD|High: $15,744 NZD|Avg: $9,789 NZD|+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$6,666 NZD
Retailer 2$7,102 NZD
Retailer 10$7,795 NZD
Retailer 8$8,122 NZD
Retailer 3$8,525 NZD
Retailer 5$8,751 NZD
Retailer 9$9,069 NZD
Retailer 4$9,956 NZD
Retailer 6$14,017 NZD
Queensmith$15,620 NZD

25 data points across 10 retailers

19 retailers$6,666 NZD to $15,620 NZD

A
Cheapest Retailer
-
$6,666 NZD
HK$29,300 HKD
A
Retailer 2
-
$7,102 NZD
₹380,577 INR
View
A
Retailer 3
-
$7,795 NZD
SGD 5,927 SGD
View
A
Retailer 4
-
$8,106 NZD
$4,561 USD
View
A
Retailer 5
-
$8,122 NZD
$4,570 USD
View
Final sale: no returns
Retailer 6
-
$8,474 NZD
SGD 6,443 SGD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$8,525 NZD
£3,777 GBP
View
A
Retailer 8
-
$8,731 NZD
A$7,558 AUD
View
A
Retailer 9
-
$8,751 NZD
£3,877 GBP
View
Retailer 10
-
$8,890 NZD
$5,002 USD
View
Price last confirmed 16 days ago
Retailer 11
-
$8,890 NZD
$5,002 USD
View
Price last confirmed 15 days ago
Retailer 12
-
$8,890 NZD
$5,002 USD
View
Price last confirmed 17 days ago
A
Retailer 13
-
$9,069 NZD
$5,103 USD
View
B+
Retailer 14
-
$9,956 NZD
€5,335 EUR
View
Retailer 15
-
$10,259 NZD
$5,772 USD
View
Price last confirmed 14 days ago
Retailer 16
-
$10,493 NZD
$5,904 USD
View
Price last confirmed 56 days ago
B+
Retailer 17
-
$14,017 NZD
£6,210 GBP
View
Retailer 18
-
$15,489 NZD
$8,715 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Queensmith
6552075958 · Oct 28
$15,620 NZD
£6,920 GBP
View
18 more retailers have this diamond
Prices start from $6,666 NZDSave up to $8,954 NZD

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
$6,666 NZD