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Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 2231796016

Certificate GIA 2231796016

Diamond specifications and retailer prices

From $6,158 NZD
£2,733 GBP
As of November 1, 2026
Save $5,467 NZD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,625 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 2231796016. Listed at 7 retailers as of October 30, 2026, with prices from $6,158 to $11,625, a $5,467 spread on the same certified stone. NZ Jewellers lists it at $11,625. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle47.14°
Pavilion angle33.1°
OriginNatural
Grading LabGIA
CertificateGIA 2231796016
Dimensions7.19 × 5.71 × 3.93 mm
L/W Ratio1.26
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
7.19 mm5.71 mm1.50 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2231796016
Side View
Table 71.0%Crown 47.14°Girdle: Very ThickPavilion 33.1°Culet: NoneDepth 68.7%

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: $11,625 NZD|Low: $6,133 NZD|High: $11,847 NZD|Avg: $7,987 NZD|-1.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4$6,158 NZD
Retailer 8$6,260 NZD
Retailer 2$6,465 NZD
Retailer 6$6,673 NZD
Retailer 5$6,930 NZD
Retailer 7$6,932 NZD
Retailer 3$11,159 NZD
NZ Jewellers$11,625 NZD

39 data points across 8 retailers

7 retailers$6,158 NZD to $11,625 NZD

A
Cheapest Retailer
-
$6,158 NZD
£2,733 GBP
A
Retailer 2
-
$6,465 NZD
£2,869 GBP
View
A
Retailer 3
-
$6,673 NZD
$3,761 USD
View
A
Retailer 4
-
$6,930 NZD
$3,906 USD
View
A
Retailer 5
-
$6,932 NZD
$3,907 USD
View
B+
Retailer 6
-
$11,159 NZD
£4,952 GBP
View
Most Expensive
B+
NZ Jewellers
104df0b5-c898-40a1-9382-c9d2e4ce7587 · Oct 30
$11,625 NZD
$6,552 USD
View
6 more retailers have this diamond
Prices start from $6,158 NZDSave up to $5,467 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
$6,158 NZD