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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 $401 SGD
$314 USD
As of October 29, 2026
Save $1,670 SGD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,183 SGD 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 21 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

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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: Oct 29
Current: $2,071 SGD|Low: $372 SGD|High: $3,183 SGD|Avg: $1,131 SGD|-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
October 31, 2026
Retailer 15$401 SGD
Retailer 7$451 SGD
Retailer 6$465 SGD
Retailer 12$479 SGD
Retailer 13$556 SGD
Retailer 19$667 SGD
Retailer 4$697 SGD
Retailer 11$809 SGD
Retailer 16$822 SGD
Retailer 18$855 SGD
Retailer 3$883 SGD
Retailer 17$1,214 SGD
Retailer 2$1,227 SGD
Retailer 5$1,249 SGD
Retailer 20$1,599 SGD
Retailer 8$1,659 SGD
Retailer 14$1,783 SGD
Retailer 9$1,926 SGD
Brilliant Earth$2,071 SGD
Retailer 10$2,231 SGD

34 data points across 20 retailers

21 retailers$401 SGD to $2,071 SGD

A
Cheapest Retailer
-
$401 SGD
$314 USD
A
Retailer 2
-
$451 SGD
$353 USD
View
Final sale: no returns
A
Retailer 3
-
$465 SGD
$364 USD
View
A
Retailer 4
-
$479 SGD
$375 USD
View
A
Retailer 5
-
$479 SGD
$375 USD
View
A
Retailer 6
-
$556 SGD
£342 GBP
View
A
Retailer 7
-
$667 SGD
$522 USD
View
A
Retailer 8
-
$697 SGD
$545 USD
View
A
Retailer 9
-
$822 SGD
$643 USD
View
A
Retailer 10
-
$855 SGD
ZAR 10,806 ZAR
View
A
Retailer 11
-
$883 SGD
£544 GBP
View
B+
Retailer 12
-
$1,214 SGD
A$1,461 AUD
View
B+
Retailer 13
-
$1,227 SGD
$960 USD
View
B+
Retailer 14
-
$1,249 SGD
$977 USD
View
B+
Retailer 15
-
$1,599 SGD
$1,251 USD
View
B+
Retailer 16
-
$1,659 SGD
$1,297 USD
View
B+
Retailer 17
-
$1,783 SGD
$1,395 USD
View
B+
Retailer 18
-
$1,926 SGD
£1,186 GBP
View
B
Retailer 19
-
$2,071 SGD
$1,620 USD
View
Retailer 20
-
$2,231 SGD
$1,745 USD
View
Price last confirmed 13 days ago
Most Expensive
Brilliant Earth
14225550A · Oct 16
$3,183 SGD
$2,490 USD
View
Price last confirmed 15 days ago
20 more retailers have this diamond
Prices start from $401 SGDSave up to $1,670 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
1.40ct Oval
$401 SGD