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Marquise|Lab Grown|IGI

3.97ct E VVS2 Marquise Lab Grown Diamond

EX • E/VVS2 • IGI LG812604033

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812604033

Diamond specifications and retailer prices

From £539 GBP
$722 USD
As of October 29, 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 LG812604033 or 812604033. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812604033
Dimensions16.66 × 8.09 × 5.14 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.66 mm8.09 mm3.97 ctE / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812604033
Side View
Table 63.0%Crown 36.3°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 63.5%

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 29
Current: £4,338 GBP|Low: £539 GBP|High: £4,851 GBP|Avg: £2,345 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 28, 2026
Retailer 5£539 GBP
Retailer 6£739 GBP
Retailer 7£865 GBP
Retailer 4£1,684 GBP
Retailer 2£2,941 GBP
Retailer 3£3,918 GBP
Frank Darling£4,338 GBP

10 data points across 7 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
100767626674KD · 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