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Radiant|Natural|GIA

1.51ct D SI2 Radiant Natural Diamond

ID • D/SI2 • GIA 1232708920

Certificate GIA 1232708920

Diamond specifications and retailer prices

From $8,917 CAD
£5,017 GBP
As of October 30, 2026
Save $6,863 CAD (43%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,780 CAD at NZ Jewellers · As of October 27, 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 1232708920. Listed at 6 retailers as of October 27, 2026, with prices from $8,917 to $15,780, a $6,863 spread on the same certified stone. NZ Jewellers lists it at $15,780. 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
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle44.73°
Pavilion angle30.36°
OriginNatural
Grading LabGIA
CertificateGIA 1232708920
Dimensions7.48 × 5.58 × 3.87 mm
L/W Ratio1.34
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
7.48 mm5.58 mm1.51 ctD / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1232708920
Side View
Table 65.0%Crown 44.73°Girdle: Very ThickPavilion 30.36°Culet: NoneDepth 69.4%

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: Oct 30
Current: $15,780 CAD|Low: $8,899 CAD|High: $16,021 CAD|Avg: $10,940 CAD|-1.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$8,917 CAD
Retailer 9$9,389 CAD
Retailer 4$9,435 CAD
Retailer 5$9,548 CAD
Retailer 6$9,580 CAD
Retailer 7$9,781 CAD
Retailer 8$10,279 CAD
Retailer 3$13,975 CAD
NZ Jewellers$15,780 CAD

29 data points across 9 retailers

6 retailers$8,917 CAD to $15,780 CAD

A
Cheapest Retailer
-
$8,917 CAD
£5,017 GBP
A
Retailer 2
-
$9,435 CAD
$6,741 USD
View
A
Retailer 3
-
$9,548 CAD
$6,822 USD
View
A
Retailer 4
-
$9,580 CAD
$6,845 USD
View
B+
Retailer 5
-
$13,975 CAD
£7,862 GBP
View
Most Expensive
B
NZ Jewellers
94c24dd1-7952-4c3b-bbc0-61c64eb068a7 · Oct 27
$15,780 CAD
$11,275 USD
View
5 more retailers have this diamond
Prices start from $8,917 CADSave up to $6,863 CAD

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
$8,917 CAD