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Marquise|Lab Grown|IGI

1.55ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG778670292

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG778670292

Diamond specifications and retailer prices

From £182 GBP
$244 USD
As of October 30, 2026
Save £1,569 GBP (90%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,751 GBP at Do Amore Diamonds · As of October 31, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778670292 or 778670292. Listed at 11 retailers as of October 30, 2026, with prices from £182 to £1,751, a £1,569 spread on the same certified stone. Do Amore Diamonds lists it at £1,751. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778670292
Dimensions12.62 × 5.95 × 3.62 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.62 mm5.95 mm1.55 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778670292
Side View
Table 62.0%Crown 32.1°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: £1,751 GBP|Low: £182 GBP|High: £1,788 GBP|Avg: £627 GBP|+2.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5£182 GBP
Retailer 9£211 GBP
Retailer 3£221 GBP
Retailer 6£264 GBP
Retailer 12£350 GBP
Retailer 8£379 GBP
Retailer 4£550 GBP
Retailer 10£579 GBP
Retailer 2£728 GBP
Retailer 7£801 GBP
Retailer 11£1,021 GBP
Do Amore Diamonds£1,751 GBP

41 data points across 12 retailers

11 retailers£182 GBP to £1,751 GBP

A
Cheapest Retailer
-
£182 GBP
$244 USD
A
Retailer 2
-
£211 GBP
$283 USD
View
A
Retailer 3
-
£221 GBP
$296 USD
View
Final sale: no returns
A
Retailer 4
-
£264 GBP
View
Retailer 5
-
£350 GBP
$470 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
£379 GBP
$508 USD
View
A
Retailer 7
-
£579 GBP
A$1,196 AUD
View
B+
Retailer 8
-
£728 GBP
$977 USD
View
B+
Retailer 9
-
£801 GBP
$1,075 USD
View
B+
Retailer 10
-
£1,021 GBP
View
Most Expensive
B
Do Amore Diamonds
27-E2399FC17 · Oct 31
£1,751 GBP
$2,350 USD
View
10 more retailers have this diamond
Prices start from £182 GBPSave up to £1,569 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
£182 GBP