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Marquise|Lab Grown|IGI

1.02ct I VS1 Marquise Lab Grown Diamond

ID • I/VS1 • IGI LG502157988

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG502157988

Diamond specifications and retailer prices

From £440 GBP
$590 USD
As of November 2, 2026
Save £2,973 GBP (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £3,413 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.02ct lab-grown marquise diamond

This 1.02ct 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 LG502157988 or 502157988. Listed at 13 retailers as of November 1, 2026, with prices from £440 to £3,413, a £2,973 spread on the same certified stone. MOH London lists it at £3,413. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG502157988
Dimensions10.96 × 5.27 × 3.04 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
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
10.96 mm5.27 mm1.02 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG502157988
Side View
Table 61.0%Crown 34.9°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 57.7%

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: £3,413 GBP|Low: £440 GBP|High: £3,458 GBP|Avg: £1,726 GBP
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£916 GBP
Retailer 12£996 GBP
Retailer 13£1,025 GBP
Retailer 9£1,062 GBP
Retailer 4£1,192 GBP
Retailer 5£1,483 GBP
Retailer 10£1,683 GBP
Retailer 7£1,953 GBP
Retailer 11£1,991 GBP
Retailer 3£2,035 GBP
Retailer 14£2,567 GBP
Retailer 6£3,042 GBP
MOH London£3,413 GBP

24 data points across 14 retailers

13 retailers£440 GBP to £3,413 GBP

A
Cheapest Retailer
-
£440 GBP
$590 USD
B
Retailer 2
-
£916 GBP
$1,229 USD
View
B
Retailer 3
-
£996 GBP
$1,337 USD
View
B
Retailer 4
-
£1,025 GBP
$1,376 USD
View
Final sale: no returns
Retailer 5
-
£1,062 GBP
$1,425 USD
View
Price last confirmed 21 days ago
B
Retailer 6
-
£1,062 GBP
$1,425 USD
View
B
Retailer 7
-
£1,192 GBP
$1,600 USD
View
B
Retailer 8
-
£1,683 GBP
$2,259 USD
View
B
Retailer 9
-
£1,953 GBP
ZAR 42,331 ZAR
View
B
Retailer 10
-
£1,991 GBP
$2,672 USD
View
B
Retailer 11
-
£2,035 GBP
$2,731 USD
View
B
Retailer 12
-
£2,567 GBP
View
Most Expensive
B
MOH London
LG502157988 · Nov 1
£3,413 GBP
View
12 more retailers have this diamond
Prices start from £440 GBPSave up to £2,973 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
1.02ct Marquise
£440 GBP