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Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837684632

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837684632

Diamond specifications and retailer prices

From £248 GBP
$332 USD
As of November 2, 2026
Save £983 GBP (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,231 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837684632 or 837684632. Listed at 18 retailers as of November 1, 2026, with prices from £248 to £1,231, a £983 spread on the same certified stone. MOH London lists it at £1,231. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837684632
Dimensions12.18 × 5.94 × 3.61 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.18 mm5.94 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG837684632
Side View
Table 56.0%Crown 37.6°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.8%

Caratlytics Score

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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: Nov 2
Current: £1,231 GBP|Low: £238 GBP|High: £1,321 GBP|Avg: £676 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
November 2, 2026
Retailer 15£248 GBP
Retailer 13£277 GBP
Retailer 4£307 GBP
Retailer 11£344 GBP
Retailer 10£422 GBP
Retailer 6£433 GBP
Retailer 5£497 GBP
Retailer 8£530 GBP
Retailer 2£550 GBP
Retailer 12£901 GBP
Retailer 7£1,020 GBP
Retailer 9£1,105 GBP
Retailer 3£1,161 GBP
Retailer 14£1,205 GBP
MOH London£1,231 GBP

41 data points across 15 retailers

18 retailers£248 GBP to £1,231 GBP

A
Cheapest Retailer
-
£248 GBP
$332 USD
A
Retailer 2
-
£277 GBP
$371 USD
View
Final sale: no returns
A
Retailer 3
-
£287 GBP
$385 USD
View
Retailer 4
-
£307 GBP
$412 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£307 GBP
$412 USD
View
Retailer 6
-
£344 GBP
View
Price last confirmed 16 days ago
A
Retailer 7
-
£422 GBP
$565 USD
View
A
Retailer 8
-
£433 GBP
$580 USD
View
B+
Retailer 9
-
£497 GBP
$666 USD
View
B+
Retailer 10
-
£530 GBP
ZAR 11,469 ZAR
View
B+
Retailer 11
-
£550 GBP
View
B
Retailer 12
-
£901 GBP
$1,207 USD
View
B
Retailer 13
-
£987 GBP
$1,323 USD
View
B
Retailer 14
-
£1,020 GBP
$1,367 USD
View
B
Retailer 15
-
£1,105 GBP
$1,480 USD
View
B
Retailer 16
-
£1,161 GBP
$1,556 USD
View
B
Retailer 17
-
£1,205 GBP
$1,615 USD
View
Most Expensive
B
MOH London
LG837684632 · Nov 1
£1,231 GBP
View
17 more retailers have this diamond
Prices start from £248 GBPSave up to £983 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
1.55ct Marquise
£248 GBP