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Marquise|Lab Grown|IGI

3.93ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG812629575

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812629575

Diamond specifications and retailer prices

From £429 GBP
$575 USD
As of October 31, 2026
Save £2,957 GBP (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,386 GBP at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 3.93ct lab-grown marquise diamond

This 3.93ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812629575 or 812629575. Listed at 5 retailers as of October 31, 2026, with prices from £429 to £3,386, a £2,957 spread on the same certified stone. Frank Darling lists it at £3,386. 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

3.93
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812629575
Dimensions17.23 × 8.21 × 4.99 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.23 mm8.21 mm3.93 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812629575
Side View
Table 62.0%Crown 34.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.8%

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: £3,386 GBP|Low: £429 GBP|High: £3,386 GBP|Avg: £1,221 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 3£429 GBP
Retailer 4£599 GBP
Retailer 6£733 GBP
Retailer 2£1,557 GBP
Retailer 5£2,209 GBP
Frank Darling£3,386 GBP

17 data points across 6 retailers

5 retailers£429 GBP to £3,386 GBP

A
Cheapest Retailer
-
£429 GBP
$575 USD
Final sale: no returns
B+
Retailer 2
-
£599 GBP
$803 USD
View
B+
Retailer 3
-
£1,557 GBP
$2,086 USD
View
B
Retailer 4
-
£2,209 GBP
$2,960 USD
View
Most Expensive
B
Frank Darling
100751741270KD · Nov 1
£3,386 GBP
$4,537 USD
View
4 more retailers have this diamond
Prices start from £429 GBPSave up to £2,957 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
3.93ct Marquise
£429 GBP