CaratHunter
Plans
Radiant|Natural|GIA

1.51ct I SI2 Radiant Natural Diamond

ID • I/SI2 • GIA 5393568057

Certificate GIA 5393568057

Diamond specifications and retailer prices

From $5,132 CAD
HK$28,700 HKD
As of November 1, 2026
Save $6,935 CAD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,066 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 I 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 5393568057. Listed at 16 retailers as of October 30, 2026, with prices from $5,132 to $12,066, a $6,935 spread on the same certified stone. NZ Jewellers lists it at $12,066. 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
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5393568057
Dimensions7.41 × 5.65 × 3.88 mm
L/W Ratio1.31
Top View
7.41 mm5.65 mm1.51 ctI / SI2
OriginNatural
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5393568057
Side View
Table 66.0%CrownGirdle: SLI-THKPavilionCulet: NoneDepth 68.8%

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 1
Current: $12,066 CAD|Low: $5,096 CAD|High: $12,066 CAD|Avg: $7,291 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
November 1, 2026
Retailer 13$5,132 CAD
Retailer 6$5,776 CAD
Retailer 9$6,040 CAD
Retailer 4$6,142 CAD
Retailer 3$6,392 CAD
Retailer 10$6,425 CAD
Retailer 2$6,756 CAD
Retailer 12$6,830 CAD
Retailer 15$6,926 CAD
Retailer 16$6,926 CAD
Retailer 17$6,926 CAD
Retailer 7$7,012 CAD
Retailer 5$7,137 CAD
Retailer 14$7,838 CAD
Retailer 18$7,992 CAD
Retailer 8$8,428 CAD
Retailer 11$11,031 CAD
NZ Jewellers$12,066 CAD

25 data points across 18 retailers

16 retailers$5,132 CAD to $12,066 CAD

A
Cheapest Retailer
-
$5,132 CAD
HK$28,700 HKD
A
Retailer 2
-
$6,040 CAD
$4,324 USD
View
A
Retailer 3
-
$6,142 CAD
$4,397 USD
View
B+
Retailer 4
-
$6,392 CAD
$4,576 USD
View
Final sale: no returns
A
Retailer 5
-
$6,533 CAD
SGD 6,320 SGD
View
A
Retailer 6
-
$6,756 CAD
£3,808 GBP
View
A
Retailer 7
-
$6,830 CAD
£3,850 GBP
View
B+
Retailer 8
-
$6,926 CAD
$4,958 USD
View
A
Retailer 9
-
$6,926 CAD
$4,958 USD
View
A
Retailer 10
-
$6,926 CAD
$4,958 USD
View
B+
Retailer 11
-
$7,012 CAD
$5,020 USD
View
B+
Retailer 12
-
$7,137 CAD
$5,110 USD
View
B+
Retailer 13
-
$7,838 CAD
€5,344 EUR
View
B+
Retailer 14
-
$7,992 CAD
$5,721 USD
View
B
Retailer 15
-
$11,031 CAD
£6,218 GBP
View
Most Expensive
B
NZ Jewellers
968484e3-63f5-41a0-b601-95c083e8afb6 · Oct 30
$12,066 CAD
$8,638 USD
View
15 more retailers have this diamond
Prices start from $5,132 CADSave up to $6,935 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
$5,132 CAD