Marquise|Lab Grown|IGI

1.01ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG502155933

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502155933

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of November 2, 2026
Save £2,941 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,381 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.01ct lab-grown marquise diamond

This 1.01ct lab-grown marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG502155933 or 502155933. Listed at 13 retailers as of November 1, 2026, with prices from £440 to £3,381, a £2,941 spread on the same certified stone. MOH London lists it at £3,381. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502155933
Dimensions10.54 × 5.29 × 3.06 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.54 mm5.29 mm1.01 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502155933
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 57.8%

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: Nov 2
Current: £3,381 GBP|Low: £440 GBP|High: £3,425 GBP|Avg: £1,705 GBP|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 2£440 GBP
Retailer 8£907 GBP
Retailer 12£987 GBP
Retailer 13£1,015 GBP
Retailer 9£1,052 GBP
Retailer 4£1,181 GBP
Retailer 5£1,471 GBP
Retailer 10£1,668 GBP
Retailer 7£1,934 GBP
Retailer 11£1,972 GBP
Retailer 3£2,016 GBP
Retailer 14£2,544 GBP
Retailer 6£3,012 GBP
MOH London£3,381 GBP

22 data points across 14 retailers

13 retailers£440 GBP to £3,381 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
B
Retailer 2
-
£907 GBP
$1,217 USD
View
B
Retailer 3
-
£987 GBP
$1,324 USD
View
B
Retailer 4
-
£1,015 GBP
$1,362 USD
View
Final sale: no returns
B
Retailer 5
-
£1,052 GBP
$1,412 USD
View
Retailer 6
-
£1,052 GBP
$1,412 USD
View
Price last confirmed 21 days ago
B
Retailer 7
-
£1,181 GBP
$1,585 USD
View
B
Retailer 8
-
£1,668 GBP
$2,239 USD
View
B
Retailer 9
-
£1,934 GBP
ZAR 41,925 ZAR
View
B
Retailer 10
-
£1,972 GBP
$2,646 USD
View
B
Retailer 11
-
£2,016 GBP
$2,705 USD
View
B
Retailer 12
-
£2,544 GBP
View
Most Expensive
B
MOH London
LG502155933 · Nov 1
£3,381 GBP
View
12 more retailers have this diamond
Prices start from £440 GBPSave up to £2,941 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
1.01ct Marquise
£440 GBP