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Oval|Lab Grown|IGI

3.97ct E VS1 Oval Lab Grown Diamond

ID • E/VS1 • IGI LG787641744

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG787641744

Diamond specifications and retailer prices

From HK$4,456 HKD
$568 USD
As of October 29, 2026
Save HK$67,175 HKD (94%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$71,631 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.97ct lab-grown oval diamond

This 3.97ct 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 LG787641744 or 787641744. Listed at 19 retailers as of October 29, 2026, with prices from HK$4,456 to HK$71,631, a HK$67,175 spread on the same certified stone. Brilliant Earth lists it at HK$71,631. 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

3.97
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787641744
Dimensions13.11 × 8.76 × 0.00 mm
L/W Ratio1.50
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.11 mm8.76 mm3.97 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787641744
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

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 29
Current: HK$71,631 HKD|Low: HK$3,844 HKD|High: HK$77,751 HKD|Avg: HK$23,309 HKD|-7.9%
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 30, 2026
Retailer 17HK$4,456 HKD
Retailer 9HK$4,990 HKD
Retailer 11HK$4,990 HKD
Retailer 14HK$6,277 HKD
Retailer 20HK$7,665 HKD
Retailer 13HK$9,251 HKD
Retailer 19HK$12,184 HKD
Retailer 2HK$12,892 HKD
Retailer 15HK$13,714 HKD
Retailer 8HK$16,052 HKD
Retailer 3HK$19,112 HKD
Retailer 6HK$21,766 HKD
Retailer 18HK$23,112 HKD
Retailer 16HK$24,173 HKD
Retailer 4HK$26,824 HKD
Retailer 12HK$31,698 HKD
Retailer 5HK$36,376 HKD
Retailer 10HK$39,621 HKD
Retailer 7HK$64,853 HKD
Brilliant EarthHK$71,631 HKD

30 data points across 20 retailers

19 retailersHK$4,456 HKD to HK$71,631 HKD

A
Cheapest Retailer
-
HK$4,456 HKD
$568 USD
A
Retailer 2
-
HK$4,990 HKD
$636 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,990 HKD
$636 USD
View
A
Retailer 4
-
HK$6,277 HKD
$800 USD
View
B+
Retailer 5
-
HK$7,665 HKD
$977 USD
View
Retailer 6
-
HK$9,251 HKD
€1,123 EUR
View
Price last confirmed 7 days ago
A
Retailer 7
-
HK$12,184 HKD
$1,553 USD
View
A
Retailer 8
-
HK$12,892 HKD
A$2,528 AUD
View
A
Retailer 9
-
HK$13,714 HKD
$1,748 USD
View
B+
Retailer 10
-
HK$16,052 HKD
$2,046 USD
View
B+
Retailer 11
-
HK$19,112 HKD
$2,436 USD
View
B+
Retailer 12
-
HK$21,766 HKD
SGD 3,749 SGD
View
Retailer 13
-
HK$23,112 HKD
A$4,532 AUD
View
Price last confirmed 22 days ago
B+
Retailer 14
-
HK$24,173 HKD
£2,426 GBP
View
B
Retailer 15
-
HK$26,824 HKD
$3,419 USD
View
B
Retailer 16
-
HK$36,376 HKD
$4,636 USD
View
B
Retailer 17
-
HK$39,621 HKD
$5,050 USD
View
B
Retailer 18
-
HK$64,853 HKD
$8,266 USD
View
Most Expensive
B
Brilliant Earth
21429453Y · Oct 29
HK$71,631 HKD
$9,130 USD
View
18 more retailers have this diamond
Prices start from HK$4,456 HKDSave up to HK$67,175 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
3.97ct Oval
HK$4,456 HKD