Oval|Lab Grown|IGI

3.91ct E VS2 Oval Lab Grown Diamond

EX • E/VS2 • IGI LG817603426

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG817603426

Diamond specifications and retailer prices

From HK$4,331 HKD
$552 USD
As of October 27, 2026
Save HK$3,854 HKD (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: HK$24,049 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG817603426 or 817603426. Listed at 5 retailers as of October 27, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817603426
Dimensions12.77 × 8.88 × 5.46 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.77 mm8.88 mm3.91 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817603426
Side View
Table 60.0%Crown 35.6°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.5%

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 27
Current: HK$24,049 HKD|Low: HK$4,331 HKD|High: HK$24,442 HKD|Avg: HK$11,634 HKD|-1.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 3HK$4,331 HKD
Retailer 4HK$6,081 HKD
Retailer 8HK$7,556 HKD
Retailer 2HK$8,185 HKD
Retailer 5HK$11,958 HKD
Retailer 6HK$13,111 HKD
Retailer 7HK$16,277 HKD
Rare CaratHK$24,049 HKD

37 data points across 8 retailers

5 retailersHK$4,331 HKD to HK$8,185 HKD

A
Cheapest Retailer
-
HK$4,331 HKD
$552 USD
Final sale: no returns
A
Retailer 2
-
HK$8,185 HKD
£821 GBP
View
A
Retailer 3
-
HK$11,958 HKD
$1,524 USD
View
Price last confirmed 43 days ago
B+
Retailer 4
-
HK$16,277 HKD
$2,075 USD
View
Price last confirmed 43 days ago
Most Expensive
B
Rare Carat
817603426 · Oct 18
HK$24,049 HKD
$3,065 USD
View
Price last confirmed 11 days ago
4 more retailers have this diamond
Prices start from HK$4,331 HKDSave up to HK$3,854 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
3.91ct Oval
HK$4,331 HKD