Radiant|Natural|GIA

1.51ct H SI2 Radiant Natural Diamond

EX • H/SI2 • GIA 1555953779

Certificate GIA 1555953779

Diamond specifications and retailer prices

From $6,781 CAD
$4,854 USD
As of October 30, 2026
Save $8,113 CAD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $14,894 CAD 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 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 1555953779. Listed at 19 retailers as of October 30, 2026, with prices from $6,781 to $14,894, a $8,113 spread on the same certified stone. NZ Jewellers lists it at $14,894. 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
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555953779
Dimensions7.67 × 5.51 × 3.84 mm
L/W Ratio1.39
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Cavity, Feather, Needle
Top View
7.67 mm5.51 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1555953779
Side View
Table 68.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 69.7%

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: Oct 30
Current: $14,894 CAD|Low: $6,758 CAD|High: $14,894 CAD|Avg: $9,179 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6$6,781 CAD
Retailer 4$7,105 CAD
Retailer 18$7,445 CAD
Retailer 10$7,582 CAD
Retailer 12$7,920 CAD
Retailer 16$8,067 CAD
Retailer 17$8,067 CAD
Retailer 5$8,506 CAD
Retailer 2$8,553 CAD
Retailer 9$8,588 CAD
Retailer 13$8,653 CAD
Retailer 3$9,080 CAD
Retailer 8$9,080 CAD
Retailer 15$9,309 CAD
Retailer 11$9,730 CAD
Retailer 7$13,030 CAD
Retailer 14$13,190 CAD
NZ Jewellers$14,894 CAD

29 data points across 18 retailers

19 retailers$6,781 CAD to $14,894 CAD

A
Cheapest Retailer
-
$6,781 CAD
$4,854 USD
A
Retailer 2
-
$7,105 CAD
$5,086 USD
View
A
Retailer 3
-
$7,445 CAD
$5,330 USD
View
Final sale: no returns
A
Retailer 4
-
$7,582 CAD
View
B+
Retailer 5
-
$7,920 CAD
$5,670 USD
View
B+
Retailer 6
-
$8,067 CAD
$5,775 USD
View
B+
Retailer 7
-
$8,067 CAD
$5,775 USD
View
B+
Retailer 8
-
$8,506 CAD
$6,089 USD
View
B+
Retailer 9
-
$8,553 CAD
£4,821 GBP
View
B+
Retailer 10
-
$8,588 CAD
$6,148 USD
View
B+
Retailer 11
-
$8,653 CAD
£4,878 GBP
View
B+
Retailer 12
-
$9,080 CAD
$6,500 USD
View
B+
Retailer 13
-
$9,080 CAD
$6,500 USD
View
B+
Retailer 14
-
$9,309 CAD
$6,664 USD
View
B+
Retailer 15
-
$9,387 CAD
$6,720 USD
View
B+
Retailer 16
-
$9,730 CAD
€6,634 EUR
View
B
Retailer 17
-
$13,030 CAD
$9,328 USD
View
B
Retailer 18
-
$13,190 CAD
£7,435 GBP
View
Most Expensive
B
NZ Jewellers
9ac07ea6-12d9-46ef-8643-3550185b7877 · Oct 30
$14,894 CAD
$10,662 USD
View
18 more retailers have this diamond
Prices start from $6,781 CADSave up to $8,113 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
$6,781 CAD