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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841687488

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841687488

Diamond specifications and retailer prices

From £190 GBP
As of November 4, 2026
Save £843 GBP (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,033 GBP at With Clarity · As of November 3, 2026
View at With Clarity

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 LG841687488 or 841687488. Listed at 13 retailers as of November 3, 2026, with prices from £190 to £1,033, a £843 spread on the same certified stone. With Clarity lists it at £1,033. 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 angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841687488
Dimensions12.48 × 5.99 × 3.71 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
12.48 mm5.99 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841687488
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £275 GBP|Low: £190 GBP|High: £1,081 GBP|Avg: £702 GBP|-6.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 4, 2026
Retailer 5£190 GBP
Retailer 1£275 GBP
Retailer 2£396 GBP
Retailer 10£496 GBP
Retailer 11£518 GBP
Retailer 8£563 GBP
Retailer 7£726 GBP
Retailer 6£759 GBP
Retailer 12£835 GBP
Retailer 3£878 GBP
Retailer 9£965 GBP
Retailer 4£1,010 GBP
With Clarity£1,033 GBP

25 data points across 13 retailers

13 retailers£190 GBP to £1,033 GBP

A
Cheapest Retailer
-
£190 GBP
A
Retailer 2
-
£275 GBP
View
Retailer 3
-
£396 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
£496 GBP
View
B+
Retailer 5
-
£518 GBP
View
B+
Retailer 6
-
£563 GBP
View
B+
Retailer 7
-
£726 GBP
View
B+
Retailer 8
-
£759 GBP
View
B
Retailer 9
-
£835 GBP
View
B
Retailer 10
-
£878 GBP
View
B
Retailer 11
-
£965 GBP
View
Retailer 12
-
£1,010 GBP
View
Price last confirmed 23 days ago
Most Expensive
B
With Clarity
841687488 · Nov 3
£1,033 GBP
$1,385 USD
View
12 more retailers have this diamond
Prices start from £190 GBPSave up to £843 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
£190 GBP