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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG828664186

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG828664186

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of October 30, 2026
Save £867 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,060 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG828664186 or 828664186. Listed at 20 retailers as of October 30, 2026, with prices from £193 to £1,060, a £867 spread on the same certified stone. Brilliant Earth lists it at £1,060. 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 angle35°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828664186
Dimensions11.87 × 6.04 × 3.79 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.87 mm6.04 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828664186
Side View
Table 61.0%Crown 35°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 62.7%

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: £1,060 GBP|Low: £193 GBP|High: £1,269 GBP|Avg: £499 GBP|-16.5%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 13£193 GBP
Retailer 19£215 GBP
Retailer 5£223 GBP
Retailer 15£239 GBP
Retailer 10£241 GBP
Retailer 12£280 GBP
Retailer 4£321 GBP
Retailer 11£362 GBP
Retailer 6£410 GBP
Retailer 9£412 GBP
Retailer 17£436 GBP
Retailer 14£456 GBP
Retailer 8£556 GBP
Retailer 2£734 GBP
Retailer 18£767 GBP
Retailer 7£768 GBP
Retailer 3£869 GBP
Retailer 16£962 GBP
Brilliant Earth£1,060 GBP

26 data points across 19 retailers

20 retailers£193 GBP to £1,060 GBP

A
Cheapest Retailer
-
£193 GBP
$258 USD
A
Retailer 2
-
£215 GBP
$288 USD
View
Final sale: no returns
A
Retailer 3
-
£223 GBP
$299 USD
View
A
Retailer 4
-
£239 GBP
$320 USD
View
A
Retailer 5
-
£241 GBP
$323 USD
View
A
Retailer 6
-
£267 GBP
HK$2,800 HKD
View
A
Retailer 7
-
£280 GBP
View
B+
Retailer 8
-
£321 GBP
$430 USD
View
A
Retailer 9
-
£362 GBP
$485 USD
View
A
Retailer 10
-
£410 GBP
ZAR 8,880 ZAR
View
A
Retailer 11
-
£412 GBP
€526 EUR
View
A
Retailer 12
-
£436 GBP
$584 USD
View
A
Retailer 13
-
£456 GBP
View
B+
Retailer 14
-
£556 GBP
A$1,147 AUD
View
B+
Retailer 15
-
£734 GBP
$983 USD
View
B+
Retailer 16
-
£767 GBP
$1,028 USD
View
B+
Retailer 17
-
£768 GBP
SGD 1,391 SGD
View
B
Retailer 18
-
£869 GBP
$1,165 USD
View
B
Retailer 19
-
£962 GBP
View
Most Expensive
B
Brilliant Earth
21119334A · Oct 30
£1,060 GBP
$1,420 USD
View
19 more retailers have this diamond
Prices start from £193 GBPSave up to £867 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
£193 GBP