Radiant|Natural|GIA

1.50ct H SI2 Radiant Natural Diamond

ID • H/SI2 • GIA 2231796016

Certificate GIA 2231796016

Diamond specifications and retailer prices

From $3,545 USD
£2,791 GBP
As of October 28, 2026
Save $3,132 USD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,677 USD at NZ Jewellers · As of October 27, 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 27, 2026, with prices from $3,545 to $6,677, a $3,132 spread on the same certified stone. NZ Jewellers lists it at $6,677. 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
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $6,677 USD|Low: $3,456 USD|High: $6,677 USD|Avg: $4,482 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 8$3,528 USD
Retailer 7$3,545 USD
Retailer 5$3,665 USD
Retailer 3$3,761 USD
Retailer 2$3,906 USD
Retailer 4$3,907 USD
Retailer 6$6,323 USD
NZ Jewellers$6,677 USD

39 data points across 8 retailers

7 retailers$3,545 USD to $6,677 USD

A
Cheapest Retailer
-
$3,545 USD
£2,791 GBP
A
Retailer 2
-
$3,665 USD
£2,886 GBP
View
A
Retailer 3
-
$3,761 USD
View
A
Retailer 4
-
$3,906 USD
View
A
Retailer 5
-
$3,907 USD
View
B+
Retailer 6
-
$6,323 USD
£4,979 GBP
View
Most Expensive
B+
NZ Jewellers
104df0b5-c898-40a1-9382-c9d2e4ce7587 · Oct 27
$6,677 USD
View
6 more retailers have this diamond
Prices start from $3,545 USDSave up to $3,132 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
$3,545 USD