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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1565108785

Certificate GIA 1565108785

Diamond specifications and retailer prices

From $7,522 NZD
£3,338 GBP
As of November 2, 2026
Save $6,387 NZD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $13,909 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural radiant diamond

This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565108785. Listed at 6 retailers as of October 30, 2026, with prices from $7,522 to $13,909, a $6,387 spread on the same certified stone. NZ Jewellers lists it at $13,909. 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

1.51
Carat
D
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle52.28°
Pavilion angle35.08°
OriginNatural
Grading LabGIA
CertificateGIA 1565108785
Dimensions7.68 × 5.71 × 3.76 mm
L/W Ratio1.35
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Indented Natural, Needle, Natural
Top View
7.68 mm5.71 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1565108785
Side View
Table 73.0%Crown 52.28°Girdle: THI-POLPavilion 35.08°Culet: NoneDepth 65.9%

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 2
Current: $13,909 NZD|Low: $7,520 NZD|High: $14,469 NZD|Avg: $9,976 NZD|-3.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$7,522 NZD
Retailer 4$7,949 NZD
Retailer 5$7,983 NZD
Retailer 6$7,983 NZD
Retailer 3$12,783 NZD
NZ Jewellers$13,909 NZD

32 data points across 6 retailers

6 retailers$7,522 NZD to $13,909 NZD

A
Cheapest Retailer
-
$7,522 NZD
£3,338 GBP
A
Retailer 2
-
$7,949 NZD
$4,480 USD
View
A
Retailer 3
-
$7,983 NZD
$4,499 USD
View
A
Retailer 4
-
$7,983 NZD
$4,499 USD
View
B+
Retailer 5
-
$12,783 NZD
£5,673 GBP
View
Most Expensive
B+
NZ Jewellers
ed1fcc82-bf66-4e54-bc01-dde04d15958a · Oct 30
$13,909 NZD
$7,839 USD
View
5 more retailers have this diamond
Prices start from $7,522 NZDSave up to $6,387 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
1.51ct Radiant
$7,522 NZD