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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 $1,966 SGD
$1,538 USD
As of November 1, 2026
Save $7,352 SGD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,318 SGD 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 31, 2026, with prices from $1,966 to $9,318, a $7,352 spread on the same certified stone. Adiamor lists it at $9,318. 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

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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 1
Current: $9,318 SGD|Low: $1,966 SGD|High: $20,697 SGD|Avg: $6,361 SGD
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$1,966 SGD
Retailer 9$2,035 SGD
Retailer 4$2,139 SGD
Retailer 14$2,281 SGD
Retailer 13$2,499 SGD
Retailer 16$2,684 SGD
Retailer 15$2,934 SGD
Retailer 10$3,221 SGD
Retailer 2$3,590 SGD
Retailer 11$4,032 SGD
Retailer 3$4,274 SGD
Retailer 5$5,206 SGD
Retailer 7$9,106 SGD
Adiamor$9,318 SGD
Retailer 6$18,793 SGD
Retailer 8$20,697 SGD

5 data points across 16 retailers

12 retailers$1,966 SGD to $9,318 SGD

A
Cheapest Retailer
-
$1,966 SGD
$1,538 USD
A
Retailer 2
-
$2,035 SGD
£1,253 GBP
View
A
Retailer 3
-
$2,139 SGD
$1,673 USD
View
A
Retailer 4
-
$2,281 SGD
$1,784 USD
View
A
Retailer 5
-
$2,499 SGD
$1,955 USD
View
A
Retailer 6
-
$2,684 SGD
HK$16,400 HKD
View
A
Retailer 7
-
$2,934 SGD
$2,295 USD
View
A
Retailer 8
-
$3,221 SGD
£1,984 GBP
View
B+
Retailer 9
-
$3,590 SGD
$2,808 USD
View
B+
Retailer 10
-
$4,032 SGD
$3,154 USD
View
B+
Retailer 11
-
$4,274 SGD
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Oct 31
$9,318 SGD
$7,289 USD
View
11 more retailers have this diamond
Prices start from $1,966 SGDSave up to $7,352 SGD

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
$1,966 SGD