CaratHunter
Plans
Marquise|Lab Grown|IGI

3.88ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG843610355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843610355

Diamond specifications and retailer prices

From £385 GBP
$516 USD
As of November 1, 2026
Save £2,488 GBP (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,873 GBP at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 3.88ct lab-grown marquise diamond

This 3.88ct 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 LG843610355 or 843610355. Listed at 4 retailers as of November 1, 2026, with prices from £385 to £2,873, a £2,488 spread on the same certified stone. Brilliant Earth lists it at £2,873. 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

3.88
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843610355
Dimensions17.03 × 8.13 × 5.01 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
17.03 mm8.13 mm3.88 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843610355
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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: Nov 1
Current: £2,873 GBP|Low: £385 GBP|High: £2,873 GBP|Avg: £966 GBP|+4.1%
Brilliant Earth
Retailer 2
Retailer 3
November 2, 2026
Retailer 3£385 GBP
Retailer 2£733 GBP
Brilliant Earth£2,873 GBP

20 data points across 3 retailers

4 retailers£385 GBP to £2,873 GBP

A
Cheapest Retailer
-
£385 GBP
$516 USD
Final sale: no returns
A
Retailer 2
-
£733 GBP
View
B
Retailer 3
-
£2,056 GBP
$2,755 USD
View
Most Expensive
B
Brilliant Earth
21814755A · Nov 1
£2,873 GBP
$3,850 USD
View
3 more retailers have this diamond
Prices start from £385 GBPSave up to £2,488 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
3.88ct Marquise
£385 GBP