Oval|Natural|IGI

1.51ct G SI2 Oval Natural Diamond

ID • G/SI2 • IGI 797

Certificate IGI 797

Diamond specifications and retailer prices

From $2,627 USD
As of November 6, 2026
Save $1,934 USD (42%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,038 USD at Wholesale Diamonds Direct · As of October 9, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 7 retailers as of November 6, 2026, with a 74% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 797
Dimensions8.96 × 6.42 × 3.93 mm
L/W Ratio1.40
Top View
8.96 mm6.42 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 797
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $2,627 USD|Low: $2,057 USD|High: $5,187 USD|Avg: $3,218 USD|-12.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$2,057 USD
Retailer 1$2,627 USD
Retailer 3$2,640 USD
Retailer 2$2,672 USD
Retailer 4$3,236 USD
Retailer 5$3,584 USD
Wholesale Diamonds Direct$4,562 USD

32 data points across 7 retailers

7 retailers$2,627 USD to $4,561 USD

A
Cheapest Retailer
-
$2,627 USD
A
Retailer 2
-
$2,640 USD
View
A
Retailer 3
-
$2,672 USD
View
A
Retailer 4
-
$3,236 USD
View
A
Retailer 5
-
$4,561 USD
View
Retailer 6
-
$4,821 USD
View
Price last confirmed 18 days ago
Most Expensive
Wholesale Diamonds Direct
403843561 · Oct 9
$5,038 USD
View
Price last confirmed 28 days ago
6 more retailers have this diamond
Prices start from $2,627 USDSave up to $1,934 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
$2,627 USD