Oval|Lab Grown|IGI

3.91ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG791655393

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG791655393

Diamond specifications and retailer prices

From HK$38,836 HKD
$4,950 USD
As of October 26, 2026
9 retailers carry this diamond
Most expensive: HK$38,836 HKD at Brilliant Earth
View at Brilliant Earth

About this 3.91ct lab-grown oval diamond

This 3.91ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791655393 or 791655393. Listed at 9 retailers as of October 26, 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

3.91
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791655393
Dimensions12.47 × 9.00 × 5.48 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.47 mm9.00 mm3.91 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791655393
Side View
Table 62.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: HK$38,836 HKD|Low: HK$3,000 HKD|High: HK$73,043 HKD|Avg: HK$14,462 HKD|-46.8%
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
October 23, 2026
Retailer 6HK$3,000 HKD
Retailer 8HK$3,311 HKD
Retailer 11HK$6,355 HKD
Retailer 16HK$6,872 HKD
Retailer 17HK$6,998 HKD
Retailer 3HK$7,336 HKD
Retailer 18HK$8,245 HKD
Retailer 12HK$8,460 HKD
Retailer 15HK$11,761 HKD
Retailer 4HK$12,302 HKD
Retailer 14HK$13,093 HKD
Retailer 5HK$16,728 HKD
Retailer 7HK$17,605 HKD
Retailer 10HK$18,335 HKD
Retailer 9HK$29,439 HKD
Retailer 13HK$35,808 HKD
Retailer 2HK$37,895 HKD
Brilliant EarthHK$38,836 HKD

12 data points across 18 retailers

9 retailers

Retailer 1
-
HK$6,355 HKD
$810 USD
Price last confirmed 7 days ago
Retailer 2
-
HK$6,872 HKD
$876 USD
View
Price last confirmed 7 days ago
Retailer 3
-
HK$6,998 HKD
$892 USD
View
Price last confirmed 9 days ago
Retailer 4
-
HK$11,761 HKD
$1,499 USD
View
Price last confirmed 7 days ago
Retailer 5
-
HK$13,093 HKD
$1,669 USD
View
Price last confirmed 9 days ago
Retailer 6
-
HK$29,439 HKD
$3,752 USD
View
Price last confirmed 51 days ago
Retailer 7
-
HK$35,808 HKD
$4,564 USD
View
Price last confirmed 9 days ago
Retailer 8
-
HK$37,895 HKD
$4,830 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21657321A · Oct 26
HK$38,836 HKD
$4,950 USD
View
8 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
3.91ct Oval
HK$38,836 HKD