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Marquise|Lab Grown|IGI

0.40ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG717526235

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717526235

Diamond specifications and retailer prices

From £90 GBP
$120 USD
As of October 30, 2026
Save £491 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £926 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG717526235 or 717526235. Listed at 17 retailers as of October 30, 2026, with a 548% 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

0.40
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717526235
Dimensions7.40 × 3.78 × 2.41 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm3.78 mm0.40 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG717526235
Side View
Table 61.0%Crown 34.5°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £926 GBP|Low: £86 GBP|High: £937 GBP|Avg: £253 GBP|-1.0%
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 12£90 GBP
Retailer 4£104 GBP
Retailer 5£118 GBP
Retailer 14£118 GBP
Retailer 10£157 GBP
Retailer 13£157 GBP
Retailer 8£198 GBP
Retailer 2£201 GBP
Retailer 11£216 GBP
Retailer 7£228 GBP
Retailer 9£285 GBP
Retailer 6£334 GBP
Retailer 3£357 GBP
MOH London£926 GBP

43 data points across 14 retailers

17 retailers£90 GBP to £580 GBP

A
Cheapest Retailer
-
£90 GBP
$120 USD
A
Retailer 2
-
£104 GBP
$139 USD
View
A
Retailer 3
-
£118 GBP
$158 USD
View
Retailer 4
-
£118 GBP
$158 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£157 GBP
$210 USD
View
Retailer 6
-
£157 GBP
$210 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£198 GBP
€253 EUR
View
B+
Retailer 8
-
£201 GBP
ZAR 4,361 ZAR
View
Retailer 9
-
£216 GBP
$290 USD
View
Price last confirmed 15 days ago
B+
Retailer 10
-
£228 GBP
View
B+
Retailer 11
-
£285 GBP
View
B
Retailer 12
-
£311 GBP
SGD 563 SGD
View
B
Retailer 13
-
£334 GBP
$447 USD
View
B
Retailer 14
-
£357 GBP
$478 USD
View
B
Retailer 15
-
£399 GBP
$535 USD
View
B
Retailer 16
-
£580 GBP
View
Most Expensive
MOH London
LG717526235 · Nov 1
£926 GBP
View
Price under review
16 more retailers have this diamond
Prices start from £90 GBPSave up to £491 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
0.40ct Marquise
£90 GBP