Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG815650355

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815650355

Diamond specifications and retailer prices

From £237 GBP
$317 USD
As of October 24, 2026
Save £1,577 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,814 GBP at Do Amore Diamonds · As of October 27, 2026
View at Do Amore 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815650355 or 815650355. Listed at 22 retailers as of October 24, 2026, with prices from £237 to £1,814, a £1,577 spread on the same certified stone. Do Amore Diamonds lists it at £1,814. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815650355
Dimensions12.38 × 5.96 × 3.72 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.38 mm5.96 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815650355
Side View
Table 61.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

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 24
Current: £1,814 GBP|Low: £196 GBP|High: £1,814 GBP|Avg: £689 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
October 29, 2026
Retailer 5£204 GBP
Retailer 3£228 GBP
Retailer 7£253 GBP
Retailer 16£321 GBP
Retailer 12£327 GBP
Retailer 15£472 GBP
Retailer 11£486 GBP
Retailer 2£513 GBP
Retailer 10£596 GBP
Retailer 14£655 GBP
Retailer 17£777 GBP
Retailer 6£779 GBP
Retailer 8£898 GBP
Retailer 18£972 GBP
Retailer 4£1,063 GBP
Retailer 9£1,092 GBP
Retailer 13£1,120 GBP
Do Amore Diamonds£1,814 GBP

40 data points across 18 retailers

22 retailers£237 GBP to £1,814 GBP

Retailer 1
-
£204 GBP
$273 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£237 GBP
$317 USD
View
A
Retailer 3
-
£253 GBP
$339 USD
View
A
Retailer 4
-
£318 GBP
$426 USD
View
A
Retailer 5
-
£321 GBP
$430 USD
View
A
Retailer 6
-
£327 GBP
View
B+
Retailer 7
-
£337 GBP
$452 USD
View
Retailer 8
-
£472 GBP
ZAR 10,223 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
£486 GBP
View
B+
Retailer 10
-
£513 GBP
A$1,058 AUD
View
Retailer 11
-
£596 GBP
$798 USD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
£655 GBP
A$1,351 AUD
View
B
Retailer 13
-
£777 GBP
$1,041 USD
View
Retailer 14
-
£779 GBP
A$1,606 AUD
View
Price last confirmed 23 days ago
B
Retailer 15
-
£898 GBP
$1,203 USD
View
B
Retailer 16
-
£972 GBP
$1,303 USD
View
B
Retailer 17
-
£1,020 GBP
$1,367 USD
View
B
Retailer 18
-
£1,063 GBP
$1,425 USD
View
B
Retailer 19
-
£1,092 GBP
View
B
Retailer 20
-
£1,120 GBP
View
Retailer 21
-
£1,504 GBP
$2,015 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-93294C56B · Oct 27
£1,814 GBP
$2,430 USD
View
21 more retailers have this diamond
Prices start from £237 GBPSave up to £1,577 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
£237 GBP