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Marquise|Lab Grown|IGI

1.00ct H VVS2 Marquise Lab Grown Diamond

ID • H/VVS2 • IGI LG506176877

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG506176877

Diamond specifications and retailer prices

From £573 GBP
$768 USD
As of November 2, 2026
Save £1,295 GBP (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,491 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 LG506176877 or 506176877. 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 angle35.5°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG506176877
Dimensions10.15 × 5.27 × 3.08 mm
L/W Ratio1.93
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
10.15 mm5.27 mm1.00 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG506176877
Side View
Table 56.5%Crown 35.5°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 58.4%

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: £2,491 GBP|Low: £550 GBP|High: £2,524 GBP|Avg: £1,315 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
Retailer 15
Retailer 16
November 1, 2026
Retailer 12£573 GBP
Retailer 3£623 GBP
Retailer 4£642 GBP
Retailer 14£664 GBP
Retailer 13£724 GBP
Retailer 10£795 GBP
Retailer 7£1,031 GBP
Retailer 16£1,074 GBP
Retailer 9£1,222 GBP
Retailer 11£1,580 GBP
Retailer 2£1,731 GBP
Retailer 15£1,868 GBP
Retailer 8£1,903 GBP
Retailer 6£2,054 GBP
Retailer 5£2,070 GBP
MOH London£2,491 GBP

27 data points across 16 retailers

15 retailers£573 GBP to £1,868 GBP

B+
Cheapest Retailer
-
£573 GBP
$768 USD
B+
Retailer 2
-
£623 GBP
$835 USD
View
B+
Retailer 3
-
£642 GBP
$860 USD
View
Final sale: no returns
Retailer 4
-
£664 GBP
$890 USD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
£664 GBP
$890 USD
View
B
Retailer 6
-
£724 GBP
$970 USD
View
B
Retailer 7
-
£795 GBP
$1,065 USD
View
B
Retailer 8
-
£1,074 GBP
$1,439 USD
View
B
Retailer 9
-
£1,222 GBP
ZAR 26,441 ZAR
View
B
Retailer 10
-
£1,580 GBP
$2,117 USD
View
B
Retailer 11
-
£1,731 GBP
A$3,569 AUD
View
B
Retailer 12
-
£1,868 GBP
$2,503 USD
View
Retailer 13
-
£2,054 GBP
$2,752 USD
View
Price under review
Retailer 14
-
£2,070 GBP
View
Price under review
Most Expensive
MOH London
LG506176877 · Nov 1
£2,491 GBP
View
Price under review
14 more retailers have this diamond
Prices start from £573 GBPSave up to £1,295 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
£573 GBP