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Oval|Lab Grown|IGI

1.40ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG638427449

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG638427449

Diamond specifications and retailer prices

From HK$7,054 HKD
$900 USD
As of November 6, 2026
3 retailers carry this diamond
Most expensive: HK$7,054 HKD at Brilliant Earth
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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG638427449 or 638427449. Listed at 3 retailers as of November 6, 2026. 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

1.40
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG638427449
Dimensions9.13 × 6.21 × 3.92 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.13 mm6.21 mm1.40 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG638427449
Side View
Table 61.0%Crown 33.7°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: HK$7,054 HKD|Low: HK$2,727 HKD|High: HK$12,148 HKD|Avg: HK$5,432 HKD|-5.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
August 20, 2026
Retailer 4HK$2,727 HKD
Retailer 6HK$3,292 HKD
Retailer 3HK$4,021 HKD
Retailer 5HK$4,702 HKD
Retailer 7HK$4,914 HKD
Retailer 2HK$6,819 HKD
Brilliant EarthHK$7,054 HKD

36 data points across 7 retailers

3 retailers

Retailer 1
-
HK$6,536 HKD
Price last confirmed 89 days ago
Retailer 2
-
HK$6,819 HKD
View
Price last confirmed 78 days ago
Most Expensive
B
Brilliant Earth
18773336A · Nov 6
HK$7,054 HKD
$900 USD
View
2 more retailers have this diamond

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.

B
1.40ct Oval
HK$7,054 HKD