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Round|Natural|GIA

1.51ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2235864871

Certificate GIA 2235864871

Diamond specifications and retailer prices

From $7,888 CAD
As of November 4, 2026
Save $8,810 CAD (53%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $16,698 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 2235864871. Listed at 17 retailers as of November 4, 2026, with prices from $7,888 to $16,698, a $8,810 spread on the same certified stone. NZ Jewellers lists it at $16,698. 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2235864871
Dimensions7.30 × 7.26 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.30 mm7.26 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235864871
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.9%

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: $16,698 CAD|Low: $7,652 CAD|High: $16,698 CAD|Avg: $10,932 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
November 6, 2026
Retailer 9$8,347 CAD
Retailer 3$9,044 CAD
Retailer 10$9,044 CAD
Retailer 11$9,044 CAD
Retailer 5$9,417 CAD
Retailer 2$9,683 CAD
Retailer 6$10,261 CAD
Retailer 12$10,437 CAD
Retailer 4$11,902 CAD
Retailer 7$13,877 CAD
Retailer 8$14,474 CAD
NZ Jewellers$16,698 CAD

40 data points across 12 retailers

17 retailers$7,888 CAD to $16,698 CAD

B+
Cheapest Retailer
-
$7,888 CAD
B+
Retailer 2
-
$8,192 CAD
View
B+
Retailer 3
-
$8,347 CAD
View
Final sale: no returns
B+
Retailer 4
-
$9,044 CAD
View
Retailer 5
-
$9,044 CAD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$9,044 CAD
View
B+
Retailer 7
-
$9,212 CAD
View
B+
Retailer 8
-
$9,417 CAD
View
B+
Retailer 9
-
$9,683 CAD
View
B
Retailer 10
-
$10,056 CAD
View
B
Retailer 11
-
$10,056 CAD
View
B
Retailer 12
-
$10,261 CAD
View
B
Retailer 13
-
$10,391 CAD
View
B
Retailer 14
-
$10,437 CAD
View
B
Retailer 15
-
$13,877 CAD
View
B
Retailer 16
-
$14,474 CAD
View
Most Expensive
B
NZ Jewellers
6cca4859-36cc-4e7e-8995-258bec1d02d7 · Nov 5
$16,698 CAD
$11,956 USD
View
16 more retailers have this diamond
Prices start from $7,888 CADSave up to $8,810 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
$7,888 CAD