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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 $2,189 AUD
$1,538 USD
As of November 1, 2026
Save $8,187 AUD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,377 AUD at Adiamor · As of November 2, 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 November 1, 2026, with prices from $2,189 to $10,377, a $8,187 spread on the same certified stone. Adiamor lists it at $10,377. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $10,377 AUD|Low: $2,189 AUD|High: $23,048 AUD|Avg: $6,991 AUD
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 2, 2026
Retailer 12$2,189 AUD
Retailer 10$2,266 AUD
Retailer 4$2,382 AUD
Retailer 14$2,540 AUD
Retailer 13$2,783 AUD
Retailer 16$2,988 AUD
Retailer 15$3,267 AUD
Retailer 2$3,587 AUD
Retailer 9$3,997 AUD
Retailer 11$4,490 AUD
Retailer 3$4,759 AUD
Retailer 5$5,797 AUD
Retailer 7$10,140 AUD
Adiamor$10,377 AUD
Retailer 6$20,928 AUD
Retailer 8$23,048 AUD

6 data points across 16 retailers

12 retailers$2,189 AUD to $10,377 AUD

A
Cheapest Retailer
-
$2,189 AUD
$1,538 USD
A
Retailer 2
-
$2,266 AUD
£1,253 GBP
View
A
Retailer 3
-
$2,382 AUD
$1,673 USD
View
A
Retailer 4
-
$2,540 AUD
$1,784 USD
View
A
Retailer 5
-
$2,783 AUD
$1,955 USD
View
A
Retailer 6
-
$2,988 AUD
HK$16,400 HKD
View
A
Retailer 7
-
$3,267 AUD
$2,295 USD
View
A
Retailer 8
-
$3,587 AUD
£1,984 GBP
View
B+
Retailer 9
-
$3,997 AUD
$2,808 USD
View
B+
Retailer 10
-
$4,490 AUD
$3,154 USD
View
B+
Retailer 11
-
$4,759 AUD
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Nov 2
$10,377 AUD
$7,289 USD
View
11 more retailers have this diamond
Prices start from $2,189 AUDSave up to $8,187 AUD

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
$2,189 AUD