CaratHunter
Plans
Oval|Natural|IGI

1.57ct G SI2 Oval Natural Diamond

EX • G/SI2 • IGI 813642079

Shape and cutting style on the report: Oval brilliant

Certificate IGI 813642079

Diamond specifications and retailer prices

From $3,187 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: $3,187 USD at The Diamond Guys
View at The Diamond Guys

About this 1.57ct natural oval diamond

This 1.57ct 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 813642079. Listed at 2 retailers as of November 6, 2026. 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

1.57
Carat
G
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 813642079
Dimensions9.33 × 6.64 × 4.04 mm
L/W Ratio1.41
Girdle conditionFaceted
Top View
9.33 mm6.64 mm1.57 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 813642079
Side View
Table 59.0%Crown 35.6°Girdle: THN-STKPavilion 39.9°Culet: NoneDepth 60.8%

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 6
Current: $2,451 USD|Low: $1,996 USD|High: $4,715 USD|Avg: $3,134 USD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 3, 2026
Retailer 6$1,996 USD
Retailer 1$2,451 USD
Retailer 2$2,607 USD
Retailer 4$2,695 USD
The Diamond Guys$3,187 USD
Retailer 3$3,216 USD
Retailer 7$4,061 USD
Retailer 5$4,628 USD

8 data points across 8 retailers

2 retailers

Retailer 1
-
$2,695 USD
Price last confirmed 39 days ago
Most Expensive
B+
The Diamond Guys
1969843595 · Nov 6
$3,187 USD
View
1 more retailer has this diamond

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+
1.57ct Oval
$3,187 USD