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Oval|Lab Grown|IGI

10.40ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG549220745

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG549220745

Diamond specifications and retailer prices

From HK$14,679 HKD
£1,473 GBP
As of October 27, 2026
Save HK$103,013 HKD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$117,692 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.4ct lab-grown oval diamond

This 10.4ct 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 LG549220745 or 549220745. Listed at 12 retailers as of October 27, 2026, with prices from HK$14,679 to HK$117,692, a HK$103,013 spread on the same certified stone. Brilliant Earth lists it at HK$117,692. 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

10.40
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549220745
Dimensions17.79 × 12.25 × 7.72 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
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
17.79 mm12.25 mm10.40 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549220745
Side View
Table 61.5%Crown 35.1°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.0%

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 27
Current: HK$127,735 HKD|Low: HK$14,679 HKD|High: HK$127,735 HKD|Avg: HK$54,526 HKD
Brilliant Earth
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 14HK$14,679 HKD
Retailer 10HK$18,611 HKD
Retailer 15HK$23,444 HKD
Retailer 7HK$24,003 HKD
Retailer 6HK$27,618 HKD
Retailer 9HK$28,046 HKD
Retailer 11HK$28,238 HKD
Retailer 5HK$31,677 HKD
Retailer 4HK$41,199 HKD
Retailer 2HK$43,664 HKD
Retailer 16HK$45,813 HKD
Retailer 12HK$71,765 HKD
Retailer 3HK$78,987 HKD
Retailer 13HK$88,112 HKD
Retailer 8HK$116,349 HKD
Brilliant EarthHK$127,735 HKD

11 data points across 16 retailers

12 retailersHK$14,679 HKD to HK$117,692 HKD

A
Cheapest Retailer
-
HK$14,679 HKD
£1,473 GBP
A
Retailer 2
-
HK$18,611 HKD
$2,372 USD
View
B+
Retailer 3
-
HK$23,444 HKD
$2,988 USD
View
B
Retailer 4
-
HK$28,046 HKD
£2,815 GBP
View
B+
Retailer 5
-
HK$28,238 HKD
$3,599 USD
View
B
Retailer 6
-
HK$41,199 HKD
$5,251 USD
View
B
Retailer 7
-
HK$43,664 HKD
$5,565 USD
View
B
Retailer 8
-
HK$45,813 HKD
$5,839 USD
View
B
Retailer 9
-
HK$71,765 HKD
$9,147 USD
View
B
Retailer 10
-
HK$78,987 HKD
$10,067 USD
View
B
Retailer 11
-
HK$88,112 HKD
$11,230 USD
View
Most Expensive
B
Brilliant Earth
22300764A · Oct 31
HK$117,692 HKD
$15,000 USD
View
11 more retailers have this diamond
Prices start from HK$14,679 HKDSave up to HK$103,013 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
10.40ct Oval
HK$14,679 HKD