Marquise|Lab Grown|IGI

3.77ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG811655744

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811655744

Diamond specifications and retailer prices

From £411 GBP
$551 USD
As of October 31, 2026
Save £2,837 GBP (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £3,248 GBP at Frank Darling · As of November 1, 2026
View at Frank Darling

About this 3.77ct lab-grown marquise diamond

This 3.77ct 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 LG811655744 or 811655744. Listed at 5 retailers as of October 31, 2026, with prices from £411 to £3,248, a £2,837 spread on the same certified stone. Frank Darling lists it at £3,248. 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

3.77
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811655744
Dimensions16.96 × 8.12 × 4.92 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.96 mm8.12 mm3.77 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811655744
Side View
Table 62.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.6%

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: £3,248 GBP|Low: £411 GBP|High: £3,248 GBP|Avg: £1,328 GBP|+0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 3£411 GBP
Retailer 4£576 GBP
Retailer 6£703 GBP
Retailer 2£1,493 GBP
Retailer 5£2,485 GBP
Frank Darling£3,248 GBP

18 data points across 6 retailers

5 retailers£411 GBP to £3,248 GBP

A
Cheapest Retailer
-
£411 GBP
$551 USD
Final sale: no returns
B+
Retailer 2
-
£576 GBP
$772 USD
View
B+
Retailer 3
-
£1,493 GBP
$2,001 USD
View
B
Retailer 4
-
£2,485 GBP
$3,330 USD
View
Most Expensive
B
Frank Darling
100761141812KD · Nov 1
£3,248 GBP
$4,352 USD
View
4 more retailers have this diamond
Prices start from £411 GBPSave up to £2,837 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
3.77ct Marquise
£411 GBP