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Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG837615721

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG837615721

Diamond specifications and retailer prices

From £228 GBP
$306 USD
As of October 30, 2026
Save £921 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,150 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG837615721 or 837615721. Listed at 20 retailers as of October 30, 2026, with prices from £228 to £1,150, a £921 spread on the same certified stone. Reve Diamonds lists it at £1,150. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837615721
Dimensions11.56 × 6.11 × 3.80 mm
L/W Ratio1.89
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.56 mm6.11 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837615721
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.2%

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: Oct 30
Current: £267 GBP|Low: £228 GBP|High: £1,158 GBP|Avg: £583 GBP
Retailer 1
Retailer 2
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Retailer 12
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Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 1, 2026
Retailer 9£228 GBP
Retailer 2£257 GBP
Retailer 1£267 GBP
Retailer 8£283 GBP
Retailer 17£286 GBP
Retailer 13£318 GBP
Retailer 4£392 GBP
Retailer 15£403 GBP
Retailer 11£427 GBP
Retailer 7£468 GBP
Retailer 16£480 GBP
Retailer 6£486 GBP
Retailer 14£504 GBP
Retailer 5£660 GBP
Retailer 3£701 GBP
Retailer 18£918 GBP
Retailer 19£953 GBP
Retailer 10£1,018 GBP
Retailer 12£1,145 GBP
Reve Diamonds£1,150 GBP

22 data points across 20 retailers

20 retailers£228 GBP to £1,150 GBP

A
Cheapest Retailer
-
£228 GBP
$306 USD
A
Retailer 2
-
£257 GBP
$344 USD
View
Final sale: no returns
A
Retailer 3
-
£267 GBP
$358 USD
View
Retailer 4
-
£283 GBP
$379 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£286 GBP
$383 USD
View
A
Retailer 6
-
£318 GBP
View
A
Retailer 7
-
£392 GBP
$525 USD
View
A
Retailer 8
-
£403 GBP
$540 USD
View
A
Retailer 9
-
£427 GBP
$572 USD
View
A
Retailer 10
-
£468 GBP
€597 EUR
View
A
Retailer 11
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£480 GBP
$643 USD
View
A
Retailer 12
-
£486 GBP
ZAR 10,529 ZAR
View
A
Retailer 13
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£504 GBP
View
B+
Retailer 14
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£660 GBP
A$1,360 AUD
View
B+
Retailer 15
-
£701 GBP
$939 USD
View
B
Retailer 16
-
£918 GBP
$1,230 USD
View
B
Retailer 17
-
£953 GBP
$1,277 USD
View
B
Retailer 18
-
£1,018 GBP
$1,364 USD
View
B
Retailer 19
-
£1,145 GBP
View
Most Expensive
B
Reve Diamonds
FE37FCD76 · Nov 1
£1,150 GBP
$1,540 USD
View
19 more retailers have this diamond
Prices start from £228 GBPSave up to £921 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
£228 GBP