Oval|Lab Grown|IGI

10.31ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG577377877

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG577377877

Diamond specifications and retailer prices

From $1,538 USD
As of October 29, 2026
Save $5,751 USD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,289 USD at Adiamor · As of October 31, 2026
View at Adiamor

About this 10.31ct lab-grown oval diamond

This 10.31ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG577377877 or 577377877. Listed at 12 retailers as of October 29, 2026, with prices from $1,538 to $7,289, a $5,751 spread on the same certified stone. Adiamor lists it at $7,289. 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

10.31
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577377877
Dimensions17.46 × 12.33 × 7.75 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.46 mm12.33 mm10.31 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577377877
Side View
Table 60.0%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.9%

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: Oct 29
Current: $7,289 USD|Low: $1,538 USD|High: $16,190 USD|Avg: $4,975 USD
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 12$1,538 USD
Retailer 9$1,592 USD
Retailer 4$1,673 USD
Retailer 14$1,784 USD
Retailer 13$1,955 USD
Retailer 16$2,099 USD
Retailer 15$2,295 USD
Retailer 10$2,520 USD
Retailer 2$2,808 USD
Retailer 11$3,154 USD
Retailer 3$3,343 USD
Retailer 5$4,072 USD
Retailer 7$7,123 USD
Adiamor$7,289 USD
Retailer 6$14,701 USD
Retailer 8$16,190 USD

5 data points across 16 retailers

12 retailers$1,538 USD to $7,289 USD

A
Cheapest Retailer
-
$1,538 USD
A
Retailer 2
-
$1,592 USD
£1,253 GBP
View
A
Retailer 3
-
$1,673 USD
View
A
Retailer 4
-
$1,784 USD
View
A
Retailer 5
-
$1,955 USD
View
A
Retailer 6
-
$2,099 USD
HK$16,400 HKD
View
A
Retailer 7
-
$2,295 USD
View
A
Retailer 8
-
$2,520 USD
£1,984 GBP
View
B+
Retailer 9
-
$2,808 USD
View
B+
Retailer 10
-
$3,154 USD
View
B+
Retailer 11
-
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Oct 31
$7,289 USD
View
11 more retailers have this diamond
Prices start from $1,538 USDSave up to $5,751 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
10.31ct Oval
$1,538 USD