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Oval|Lab Grown|IGI

1.40ct G IF Oval Lab Grown Diamond

EX • G/IF • IGI LG639489807

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG639489807

Diamond specifications and retailer prices

From HK$2,464 HKD
$314 USD
As of October 29, 2026
Save HK$10,246 HKD (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$19,536 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.4ct lab-grown oval diamond

This 1.4ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG639489807 or 639489807. Listed at 22 retailers as of October 29, 2026, with a 416% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.40
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639489807
Dimensions9.08 × 6.49 × 3.86 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.08 mm6.49 mm1.40 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639489807
Side View
Table 61.0%Crown 34.2°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 59.5%

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: Oct 29
Current: HK$12,710 HKD|Low: HK$2,283 HKD|High: HK$19,536 HKD|Avg: HK$7,075 HKD|-34.9%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 20HK$2,464 HKD
Retailer 9HK$2,770 HKD
Retailer 17HK$2,856 HKD
Retailer 14HK$3,052 HKD
Retailer 2HK$3,400 HKD
Retailer 6HK$4,095 HKD
Retailer 7HK$4,276 HKD
Retailer 3HK$5,045 HKD
Retailer 15HK$5,223 HKD
Retailer 5HK$5,248 HKD
Retailer 13HK$5,398 HKD
Retailer 4HK$7,451 HKD
Retailer 18HK$7,532 HKD
Retailer 8HK$7,665 HKD
Retailer 16HK$9,815 HKD
Retailer 10HK$10,179 HKD
Retailer 19HK$10,945 HKD
Retailer 11HK$11,817 HKD
Brilliant EarthHK$12,710 HKD
Retailer 12HK$13,691 HKD

32 data points across 20 retailers

22 retailersHK$2,464 HKD to HK$12,710 HKD

A
Cheapest Retailer
-
HK$2,464 HKD
$314 USD
A
Retailer 2
-
HK$2,770 HKD
$353 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,856 HKD
$364 USD
View
A
Retailer 4
-
HK$2,942 HKD
$375 USD
View
A
Retailer 5
-
HK$3,052 HKD
$389 USD
View
A
Retailer 6
-
HK$3,400 HKD
£341 GBP
View
A
Retailer 7
-
HK$4,095 HKD
$522 USD
View
A
Retailer 8
-
HK$4,276 HKD
$545 USD
View
A
Retailer 9
-
HK$5,045 HKD
$643 USD
View
A
Retailer 10
-
HK$5,223 HKD
€634 EUR
View
A
Retailer 11
-
HK$5,248 HKD
ZAR 10,806 ZAR
View
A
Retailer 12
-
HK$5,398 HKD
£542 GBP
View
B+
Retailer 13
-
HK$7,451 HKD
A$1,461 AUD
View
B+
Retailer 14
-
HK$7,532 HKD
$960 USD
View
B+
Retailer 15
-
HK$7,665 HKD
$977 USD
View
B+
Retailer 16
-
HK$9,815 HKD
$1,251 USD
View
B+
Retailer 17
-
HK$10,179 HKD
$1,297 USD
View
B+
Retailer 18
-
HK$10,945 HKD
$1,395 USD
View
B+
Retailer 19
-
HK$11,817 HKD
£1,186 GBP
View
B
Retailer 20
-
HK$12,710 HKD
$1,620 USD
View
Retailer 21
-
HK$13,691 HKD
$1,745 USD
View
Price last confirmed 14 days ago
Most Expensive
Brilliant Earth
14225550A · Oct 16
HK$19,536 HKD
$2,490 USD
View
Price last confirmed 16 days ago
21 more retailers have this diamond
Prices start from HK$2,464 HKDSave up to HK$10,246 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
1.40ct Oval
HK$2,464 HKD