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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG794610100

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG794610100

Diamond specifications and retailer prices

From £187 GBP
$251 USD
As of October 30, 2026
Save £761 GBP (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £948 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 LG794610100 or 794610100. Listed at 23 retailers as of October 30, 2026, with prices from £187 to £948, a £761 spread on the same certified stone. Brilliant Earth lists it at £948. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610100
Dimensions12.19 × 5.90 × 3.71 mm
L/W Ratio2.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm5.90 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610100
Side View
Table 58.0%Crown 34°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 62.9%

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: £948 GBP|Low: £187 GBP|High: £1,552 GBP|Avg: £547 GBP|-38.9%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 21£187 GBP
Retailer 20£210 GBP
Retailer 14£219 GBP
Retailer 6£233 GBP
Retailer 12£234 GBP
Retailer 22£273 GBP
Retailer 9£355 GBP
Retailer 19£390 GBP
Retailer 8£402 GBP
Retailer 17£405 GBP
Retailer 23£443 GBP
Retailer 13£455 GBP
Retailer 18£487 GBP
Retailer 10£545 GBP
Retailer 2£596 GBP
Retailer 4£725 GBP
Retailer 16£747 GBP
Retailer 3£751 GBP
Retailer 11£752 GBP
Retailer 5£787 GBP
Retailer 15£920 GBP
Retailer 7£942 GBP
Brilliant Earth£948 GBP

24 data points across 23 retailers

23 retailers£187 GBP to £948 GBP

A
Cheapest Retailer
-
£187 GBP
$251 USD
A
Retailer 2
-
£210 GBP
$281 USD
View
Final sale: no returns
A
Retailer 3
-
£219 GBP
$293 USD
View
A
Retailer 4
-
£233 GBP
$312 USD
View
A
Retailer 5
-
£234 GBP
$313 USD
View
A
Retailer 6
-
£273 GBP
View
A
Retailer 7
-
£355 GBP
$475 USD
View
A
Retailer 8
-
£390 GBP
$522 USD
View
A
Retailer 9
-
£402 GBP
ZAR 8,696 ZAR
View
A
Retailer 10
-
£405 GBP
$543 USD
View
A
Retailer 11
-
£443 GBP
View
A
Retailer 12
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£455 GBP
A$938 AUD
View
A
Retailer 13
-
£487 GBP
$652 USD
View
B+
Retailer 14
-
£545 GBP
A$1,123 AUD
View
B+
Retailer 15
-
£596 GBP
$798 USD
View
B+
Retailer 16
-
£725 GBP
$971 USD
View
B+
Retailer 17
-
£747 GBP
A$1,540 AUD
View
B+
Retailer 18
-
£751 GBP
SGD 1,359 SGD
View
B+
Retailer 19
-
£752 GBP
$1,007 USD
View
B+
Retailer 20
-
£787 GBP
$1,054 USD
View
B
Retailer 21
-
£920 GBP
$1,233 USD
View
B
Retailer 22
-
£942 GBP
View
Most Expensive
B
Brilliant Earth
21503467A · Oct 30
£948 GBP
$1,270 USD
View
22 more retailers have this diamond
Prices start from £187 GBPSave up to £761 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
£187 GBP