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Oval|Natural|GIA

1.51ct M SI2 Oval Natural Diamond

ID • M/SI2 • GIA 6532666645

Certificate GIA 6532666645

Diamond specifications and retailer prices

From $2,210 USD
As of November 3, 2026
Save $2,409 USD (52%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,619 USD at NZ Jewellers · As of November 2, 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 M 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 6532666645. Listed at 6 retailers as of November 2, 2026, with prices from $2,210 to $4,619, a $2,409 spread on the same certified stone. NZ Jewellers lists it at $4,619. 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
M
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.94°
Pavilion angle40.28°
OriginNatural
Grading LabGIA
CertificateGIA 6532666645
Dimensions8.97 × 6.42 × 4.03 mm
L/W Ratio1.40
Top View
8.97 mm6.42 mm1.51 ctM / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6532666645
Side View
Table 61.0%Crown 37.94°GirdlePavilion 40.28°CuletDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $4,619 USD|Low: $2,210 USD|High: $4,621 USD|Avg: $2,702 USD|-0.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$2,210 USD
Retailer 3$2,272 USD
Retailer 4$2,312 USD
Retailer 6$2,330 USD
Retailer 8$2,454 USD
Retailer 2$2,477 USD
Retailer 7$2,717 USD
NZ Jewellers$4,619 USD

44 data points across 8 retailers

6 retailers$2,210 USD to $4,619 USD

A
Cheapest Retailer
-
$2,210 USD
A
Retailer 2
-
$2,272 USD
View
B+
Retailer 3
-
$2,312 USD
View
B+
Retailer 4
-
$2,330 USD
View
B+
Retailer 5
-
$2,477 USD
View
Most Expensive
B
NZ Jewellers
c9a91147-1d70-4a0e-a0c1-0d8c696b7b7c · Nov 2
$4,619 USD
View
5 more retailers have this diamond
Prices start from $2,210 USDSave up to $2,409 USD

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
$2,210 USD