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Oval|Lab Grown|IGI

3.90ct E VS2 Oval Lab Grown Diamond

ID • E/VS2 • IGI LG818690181

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818690181

Diamond specifications and retailer prices

From HK$11,720 HKD
A$2,298 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: HK$36,878 HKD at Brilliant Earth · As of October 7, 2026
View at Brilliant Earth

About this 3.9ct lab-grown oval diamond

This 3.9ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818690181 or 818690181. Listed at 11 retailers as of October 29, 2026. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.90
Carat
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818690181
Dimensions12.80 × 9.07 × 5.43 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.80 mm9.07 mm3.90 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818690181
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 59.9%

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 29
Current: HK$36,878 HKD|Low: HK$5,924 HKD|High: HK$56,573 HKD|Avg: HK$16,661 HKD|+19.6%
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
October 7, 2026
Retailer 10HK$5,924 HKD
Retailer 11HK$6,426 HKD
Retailer 4HK$6,583 HKD
Retailer 2HK$7,967 HKD
Retailer 3HK$10,279 HKD
Retailer 7HK$11,720 HKD
Retailer 5HK$11,872 HKD
Retailer 12HK$12,253 HKD
Retailer 6HK$21,824 HKD
Retailer 9HK$24,095 HKD
Retailer 13HK$35,544 HKD
Retailer 8HK$35,553 HKD
Brilliant EarthHK$36,878 HKD

15 data points across 13 retailers

11 retailers

A
Retailer 1
-
HK$3,845 HKD
$490 USD
Price last confirmed 27 days ago
A
Retailer 2
-
HK$4,488 HKD
$572 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
HK$6,426 HKD
$819 USD
View
Price last confirmed 23 days ago
B+
Retailer 4
-
HK$6,583 HKD
$839 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
HK$11,720 HKD
A$2,298 AUD
View
A
Retailer 6
-
HK$11,872 HKD
$1,513 USD
View
Price last confirmed 24 days ago
A
Retailer 7
-
HK$12,253 HKD
$1,562 USD
View
Price last confirmed 23 days ago
B+
Retailer 8
-
HK$14,422 HKD
$1,838 USD
View
Price last confirmed 29 days ago
B+
Retailer 9
-
HK$21,824 HKD
A$4,279 AUD
View
Price last confirmed 24 days ago
B+
Retailer 10
-
HK$24,095 HKD
£2,418 GBP
View
Price last confirmed 23 days ago
Most Expensive
B
Brilliant Earth
21686997A · Oct 7
HK$36,878 HKD
$4,700 USD
View
Price last confirmed 22 days ago
10 more retailers have this diamond
Prices start from HK$11,720 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
3.90ct Oval
HK$11,720 HKD