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Oval|Natural|GIA

1.51ct K SI2 Oval Natural Diamond

EX • K/SI2 • GIA 2245085602

Certificate GIA 2245085602

Diamond specifications and retailer prices

From $2,682 CAD
As of November 6, 2026
Save $5,182 CAD (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,864 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245085602. Listed at 12 retailers as of November 5, 2026, with prices from $2,682 to $7,864, a $5,182 spread on the same certified stone. NZ Jewellers lists it at $7,864. 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
K
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle38.75°
OriginNatural
Grading LabGIA
CertificateGIA 2245085602
Dimensions9.01 × 6.34 × 4.10 mm
L/W Ratio1.42
Key to symbols
Crystal, Cloud
Top View
9.01 mm6.34 mm1.51 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2245085602
Side View
Table 63.0%CrownGirdle: STK-THKPavilion 38.75°Culet: NoneDepth 64.6%

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 6
Current: $7,864 CAD|Low: $2,682 CAD|High: $8,365 CAD|Avg: $4,729 CAD|-6.0%
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 2$2,682 CAD
Retailer 10$3,467 CAD
Retailer 5$3,628 CAD
Retailer 6$3,730 CAD
Retailer 4$3,761 CAD
Retailer 12$3,906 CAD
Retailer 3$4,102 CAD
Retailer 8$4,448 CAD
Retailer 7$4,628 CAD
Retailer 11$5,715 CAD
Retailer 9$6,590 CAD
NZ Jewellers$7,864 CAD

24 data points across 12 retailers

12 retailers$2,682 CAD to $7,864 CAD

A
Cheapest Retailer
-
$2,682 CAD
A
Retailer 2
-
$3,467 CAD
View
A
Retailer 3
-
$3,628 CAD
View
A
Retailer 4
-
$3,730 CAD
View
A
Retailer 5
-
$3,761 CAD
View
A
Retailer 6
-
$3,906 CAD
View
A
Retailer 7
-
$4,102 CAD
View
A
Retailer 8
-
$4,448 CAD
View
A
Retailer 9
-
$4,628 CAD
View
B+
Retailer 10
-
$5,715 CAD
View
B+
Retailer 11
-
$6,590 CAD
View
Most Expensive
B
NZ Jewellers
06407ec2-9e67-4908-8adb-4ab5f11a71bc · Nov 5
$7,864 CAD
$5,591 USD
View
11 more retailers have this diamond
Prices start from $2,682 CADSave up to $5,182 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 Oval
$2,682 CAD