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Radiant|Natural|GIA

1.50ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 5242094717

Certificate GIA 5242094717

Diamond specifications and retailer prices

From $7,943 NZD
As of November 5, 2026
Save $10,142 NZD (56%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $18,084 NZD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242094717. Listed at 8 retailers as of November 5, 2026, with prices from $7,943 to $18,084, a $10,142 spread on the same certified stone. NZ Jewellers lists it at $18,084. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle60.6°
OriginNatural
Grading LabGIA
CertificateGIA 5242094717
Dimensions7.39 × 5.67 × 3.89 mm
L/W Ratio1.30
Key to symbols
Feather, Crystal, Needle
Top View
7.39 mm5.67 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242094717
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 60.6°Culet: NoneDepth 68.6%

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 5
Current: $18,084 NZD|Low: $7,943 NZD|High: $19,370 NZD|Avg: $11,893 NZD|-6.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 4$7,943 NZD
Retailer 8$9,272 NZD
Retailer 3$10,133 NZD
Retailer 2$10,813 NZD
Retailer 5$10,813 NZD
Retailer 6$11,372 NZD
Retailer 7$16,075 NZD
NZ Jewellers$18,084 NZD

16 data points across 8 retailers

8 retailers$7,943 NZD to $18,084 NZD

A
Cheapest Retailer
-
$7,943 NZD
Retailer 2
-
$9,272 NZD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$10,133 NZD
View
B+
Retailer 4
-
$10,813 NZD
View
B+
Retailer 5
-
$10,813 NZD
View
B+
Retailer 6
-
$11,372 NZD
View
B
Retailer 7
-
$16,075 NZD
View
Most Expensive
B
NZ Jewellers
ae436153-b22f-4c1b-8b06-8c7581951cda · Nov 5
$18,084 NZD
$10,025 USD
View
7 more retailers have this diamond
Prices start from $7,943 NZDSave up to $10,142 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
$7,943 NZD