CaratHunter
Plans
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 HK$12,067 HKD
$1,538 USD
As of November 1, 2026
Save HK$45,123 HKD (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$57,190 HKD 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 HK$12,067 to HK$57,190, a HK$45,123 spread on the same certified stone. Adiamor lists it at HK$57,190. 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: HK$57,190 HKD|Low: HK$12,067 HKD|High: HK$127,028 HKD|Avg: HK$38,532 HKD
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 12HK$12,067 HKD
Retailer 2HK$12,489 HKD
Retailer 4HK$13,127 HKD
Retailer 14HK$13,997 HKD
Retailer 13HK$15,339 HKD
Retailer 16HK$16,471 HKD
Retailer 15HK$18,007 HKD
Retailer 9HK$19,771 HKD
Retailer 10HK$22,032 HKD
Retailer 11HK$24,747 HKD
Retailer 3HK$26,230 HKD
Retailer 5HK$31,949 HKD
Retailer 7HK$55,888 HKD
AdiamorHK$57,190 HKD
Retailer 6HK$115,342 HKD
Retailer 8HK$127,028 HKD

6 data points across 16 retailers

12 retailersHK$12,067 HKD to HK$57,190 HKD

A
Cheapest Retailer
-
HK$12,067 HKD
$1,538 USD
A
Retailer 2
-
HK$12,489 HKD
£1,253 GBP
View
A
Retailer 3
-
HK$13,127 HKD
$1,673 USD
View
A
Retailer 4
-
HK$13,997 HKD
$1,784 USD
View
A
Retailer 5
-
HK$15,339 HKD
$1,955 USD
View
A
Retailer 6
-
HK$16,471 HKD
View
A
Retailer 7
-
HK$18,007 HKD
$2,295 USD
View
A
Retailer 8
-
HK$19,771 HKD
£1,984 GBP
View
B+
Retailer 9
-
HK$22,032 HKD
$2,808 USD
View
B+
Retailer 10
-
HK$24,747 HKD
$3,154 USD
View
B+
Retailer 11
-
HK$26,230 HKD
$3,343 USD
View
Most Expensive
B
Adiamor
D-82828868 · Nov 2
HK$57,190 HKD
$7,289 USD
View
11 more retailers have this diamond
Prices start from HK$12,067 HKDSave up to HK$45,123 HKD

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
HK$12,067 HKD