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Marquise|Lab Grown|IGI

3.97ct E VVS2 Marquise Lab Grown Diamond

ID • E/VVS2 • IGI LG787631393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787631393

Diamond specifications and retailer prices

From £539 GBP
$722 USD
As of October 31, 2026
Save £3,799 GBP (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £4,338 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.97ct lab-grown marquise diamond

This 3.97ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG787631393 or 787631393. Listed at 6 retailers as of October 29, 2026, with prices from £539 to £4,338, a £3,799 spread on the same certified stone. Frank Darling lists it at £4,338. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787631393
Dimensions15.77 × 8.28 × 5.24 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.77 mm8.28 mm3.97 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787631393
Side View
Table 63.0%Crown 36.2°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 63.3%

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 31
Current: £4,338 GBP|Low: £330 GBP|High: £4,851 GBP|Avg: £1,696 GBP|-0.0%
Frank Darling
Retailer 2
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Retailer 10
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Retailer 12
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Retailer 15
October 28, 2026
Retailer 6£330 GBP
Retailer 2£539 GBP
Retailer 5£649 GBP
Retailer 11£739 GBP
Retailer 4£761 GBP
Retailer 12£865 GBP
Retailer 7£1,334 GBP
Retailer 15£1,535 GBP
Retailer 13£1,572 GBP
Retailer 10£1,684 GBP
Retailer 14£1,839 GBP
Retailer 3£1,879 GBP
Retailer 8£2,941 GBP
Retailer 9£3,918 GBP
Frank Darling£4,338 GBP

10 data points across 15 retailers

6 retailers£539 GBP to £4,338 GBP

A
Cheapest Retailer
-
£539 GBP
$722 USD
Final sale: no returns
B+
Retailer 2
-
£739 GBP
$990 USD
View
B+
Retailer 3
-
£1,684 GBP
$2,257 USD
View
B+
Retailer 4
-
£2,941 GBP
$3,940 USD
View
B
Retailer 5
-
£3,918 GBP
$5,250 USD
View
Most Expensive
B
Frank Darling
100767604319KD · Oct 29
£4,338 GBP
$5,812 USD
View
5 more retailers have this diamond
Prices start from £539 GBPSave up to £3,799 GBP

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 Marquise
£539 GBP