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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 5232864868

Certificate GIA 5232864868

Diamond specifications and retailer prices

From $7,885 CAD
As of November 4, 2026
Save $8,808 CAD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,694 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round 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 and certified by GIA 5232864868. Listed at 17 retailers as of November 4, 2026, with prices from $7,885 to $16,694, a $8,808 spread on the same certified stone. NZ Jewellers lists it at $16,694. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5232864868
Dimensions7.31 × 7.28 × 4.57 mm
L/W Ratio1.00
Top View
7.31 mm7.28 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5232864868
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $16,694 CAD|Low: $7,651 CAD|High: $16,694 CAD|Avg: $10,855 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
November 6, 2026
Retailer 9$8,346 CAD
Retailer 10$9,042 CAD
Retailer 11$9,042 CAD
Retailer 13$9,042 CAD
Retailer 5$9,209 CAD
Retailer 2$9,414 CAD
Retailer 6$10,258 CAD
Retailer 12$10,433 CAD
Retailer 3$11,001 CAD
Retailer 4$11,899 CAD
Retailer 8$14,470 CAD
Retailer 7$14,664 CAD
NZ Jewellers$16,694 CAD

40 data points across 13 retailers

17 retailers$7,885 CAD to $16,694 CAD

B+
Cheapest Retailer
-
$7,885 CAD
B+
Retailer 2
-
$8,191 CAD
View
B+
Retailer 3
-
$8,346 CAD
View
Final sale: no returns
B+
Retailer 4
-
$9,042 CAD
View
Retailer 5
-
$9,042 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$9,042 CAD
View
B+
Retailer 7
-
$9,209 CAD
View
B+
Retailer 8
-
$9,414 CAD
View
B
Retailer 9
-
$10,056 CAD
View
B
Retailer 10
-
$10,056 CAD
View
B+
Retailer 11
-
$10,258 CAD
View
B
Retailer 12
-
$10,391 CAD
View
B
Retailer 13
-
$10,433 CAD
View
Retailer 14
-
$11,001 CAD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$14,470 CAD
View
B
Retailer 16
-
$14,664 CAD
View
Most Expensive
B
NZ Jewellers
cbf74b4e-218a-44c5-bced-07e49437dd3d · Nov 5
$16,694 CAD
$11,953 USD
View
16 more retailers have this diamond
Prices start from $7,885 CADSave up to $8,808 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.

B+
1.51ct Round
$7,885 CAD