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Marquise|Lab Grown|IGI

1.00ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG512205139

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG512205139

Diamond specifications and retailer prices

From £572 GBP
$768 USD
As of November 2, 2026
Save £1,293 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,487 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG512205139 or 512205139. Listed at 15 retailers as of October 31, 2026, with a 226% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512205139
Dimensions10.68 × 5.07 × 2.95 mm
L/W Ratio2.11
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
10.68 mm5.07 mm1.00 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512205139
Side View
Table 58.0%Crown 39.8°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 58.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,487 GBP|Low: £549 GBP|High: £2,517 GBP|Avg: £1,315 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
Retailer 15
Retailer 16
November 1, 2026
Retailer 12£572 GBP
Retailer 3£622 GBP
Retailer 4£641 GBP
Retailer 14£663 GBP
Retailer 13£723 GBP
Retailer 10£794 GBP
Retailer 7£1,029 GBP
Retailer 16£1,072 GBP
Retailer 9£1,220 GBP
Retailer 11£1,578 GBP
Retailer 2£1,729 GBP
Retailer 15£1,865 GBP
Retailer 8£1,900 GBP
Retailer 6£2,051 GBP
Retailer 5£2,067 GBP
MOH London£2,487 GBP

28 data points across 16 retailers

15 retailers£572 GBP to £1,865 GBP

B+
Cheapest Retailer
-
£572 GBP
$768 USD
B+
Retailer 2
-
£622 GBP
$835 USD
View
B+
Retailer 3
-
£641 GBP
$860 USD
View
Final sale: no returns
Retailer 4
-
£663 GBP
$890 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
£663 GBP
$890 USD
View
B
Retailer 6
-
£723 GBP
$970 USD
View
B
Retailer 7
-
£794 GBP
$1,065 USD
View
B
Retailer 8
-
£1,072 GBP
$1,439 USD
View
B
Retailer 9
-
£1,220 GBP
ZAR 26,441 ZAR
View
B
Retailer 10
-
£1,578 GBP
$2,117 USD
View
B
Retailer 11
-
£1,729 GBP
A$3,569 AUD
View
B
Retailer 12
-
£1,865 GBP
$2,503 USD
View
Retailer 13
-
£2,051 GBP
$2,752 USD
View
Price under review
Retailer 14
-
£2,067 GBP
View
Price under review
Most Expensive
MOH London
LG512205139 · Nov 1
£2,487 GBP
View
Price under review
14 more retailers have this diamond
Prices start from £572 GBPSave up to £1,293 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.

B+
1.00ct Marquise
£572 GBP