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Marquise|Lab Grown|IGI

3.36ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG839611992

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG839611992

Diamond specifications and retailer prices

From £346 GBP
$463 USD
As of November 1, 2026
Save £1,996 GBP (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,342 GBP at Frank Darling · As of November 2, 2026
View at Frank Darling

About this 3.36ct lab-grown marquise diamond

This 3.36ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839611992 or 839611992. Listed at 5 retailers as of November 1, 2026, with prices from £346 to £2,342, a £1,996 spread on the same certified stone. Frank Darling lists it at £2,342. 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

3.36
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839611992
Dimensions15.81 × 7.81 × 4.87 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.81 mm3.36 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839611992
Side View
Table 60.0%Crown 34.7°Girdle: STK-THKPavilion 40.5°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: Nov 1
Current: £2,342 GBP|Low: £346 GBP|High: £2,342 GBP|Avg: £1,124 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3£346 GBP
Retailer 5£488 GBP
Retailer 6£641 GBP
Retailer 2£1,264 GBP
Retailer 4£1,996 GBP
Frank Darling£2,342 GBP

11 data points across 6 retailers

5 retailers£346 GBP to £2,342 GBP

A
Cheapest Retailer
-
£346 GBP
$463 USD
Final sale: no returns
B+
Retailer 2
-
£488 GBP
$654 USD
View
B+
Retailer 3
-
£1,264 GBP
$1,694 USD
View
B
Retailer 4
-
£1,996 GBP
$2,675 USD
View
Most Expensive
B
Frank Darling
100752831736KD · Nov 2
£2,342 GBP
$3,138 USD
View
4 more retailers have this diamond
Prices start from £346 GBPSave up to £1,996 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
3.36ct Marquise
£346 GBP