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Oval|Natural|GIA

1.51ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 7543674333

Certificate GIA 7543674333

Diamond specifications and retailer prices

From $3,673 CAD
As of November 6, 2026
Save $4,905 CAD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,577 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543674333. Listed at 16 retailers as of November 5, 2026, with prices from $3,673 to $8,577, a $4,905 spread on the same certified stone. NZ Jewellers lists it at $8,577. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7543674333
Dimensions9.06 × 6.35 × 4.01 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
9.06 mm6.35 mm1.51 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 7543674333
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.2%

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: $4,775 CAD|Low: $3,673 CAD|High: $8,331 CAD|Avg: $5,869 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$3,673 CAD
Retailer 1$4,775 CAD
Retailer 3$5,095 CAD
Retailer 2$5,732 CAD
Retailer 4$6,009 CAD
Retailer 5$8,209 CAD

37 data points across 6 retailers

16 retailers$3,673 CAD to $8,577 CAD

A
Cheapest Retailer
-
$3,673 CAD
A
Retailer 2
-
$4,203 CAD
View
A
Retailer 3
-
$4,370 CAD
View
A
Retailer 4
-
$4,740 CAD
View
A
Retailer 5
-
$4,775 CAD
View
Retailer 6
-
$4,923 CAD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,923 CAD
View
A
Retailer 8
-
$5,095 CAD
View
Retailer 9
-
$5,112 CAD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
$5,113 CAD
View
B+
Retailer 11
-
$5,256 CAD
View
B+
Retailer 12
-
$5,680 CAD
View
B+
Retailer 13
-
$5,732 CAD
View
B+
Retailer 14
-
$6,009 CAD
View
B
Retailer 15
-
$8,209 CAD
View
Most Expensive
B
NZ Jewellers
a167fbd1-0cc6-498b-b95c-4f6b8a2bffc5 · Nov 5
$8,577 CAD
$6,098 USD
View
15 more retailers have this diamond
Prices start from $3,673 CADSave up to $4,905 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
$3,673 CAD