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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG792613414

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG792613414

Diamond specifications and retailer prices

From £271 GBP
$363 USD
As of October 31, 2026
Save £1,446 GBP (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,717 GBP at Do Amore Diamonds · As of October 29, 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 LG792613414 or 792613414. Listed at 21 retailers as of October 29, 2026, with prices from £271 to £1,717, a £1,446 spread on the same certified stone. Do Amore Diamonds lists it at £1,717. 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 angle32.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG792613414
Dimensions12.76 × 5.91 × 3.73 mm
L/W Ratio2.16
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.76 mm5.91 mm1.55 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG792613414
Side View
Table 61.0%Crown 32.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 63.1%

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: Oct 31
Current: £1,717 GBP|Low: £140 GBP|High: £1,784 GBP|Avg: £662 GBP|-3.8%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
October 29, 2026
Retailer 10£140 GBP
Retailer 8£229 GBP
Retailer 20£271 GBP
Retailer 17£298 GBP
Retailer 19£320 GBP
Retailer 14£387 GBP
Retailer 3£396 GBP
Retailer 7£434 GBP
Retailer 6£443 GBP
Retailer 4£506 GBP
Retailer 13£569 GBP
Retailer 18£715 GBP
Retailer 2£752 GBP
Retailer 11£941 GBP
Retailer 9£977 GBP
Retailer 15£982 GBP
Retailer 12£1,035 GBP
Retailer 5£1,068 GBP
Retailer 16£1,103 GBP
Do Amore Diamonds£1,717 GBP

28 data points across 20 retailers

21 retailers£271 GBP to £1,717 GBP

Retailer 1
-
£204 GBP
$274 USD
Price last confirmed 23 days ago
Retailer 2
-
£215 GBP
$288 USD
View
Price last confirmed 32 days ago
Retailer 3
-
£254 GBP
$340 USD
View
Price last confirmed 22 days ago
Retailer 4
-
£254 GBP
$340 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
£271 GBP
$363 USD
View
B+
Retailer 6
-
£298 GBP
$399 USD
View
A
Retailer 7
-
£320 GBP
$429 USD
View
A
Retailer 8
-
£387 GBP
€494 EUR
View
Retailer 9
-
£396 GBP
$530 USD
View
Price last confirmed 9 days ago
Retailer 10
-
£434 GBP
ZAR 9,386 ZAR
View
Price last confirmed 22 days ago
B+
Retailer 11
-
£569 GBP
A$1,173 AUD
View
B+
Retailer 12
-
£715 GBP
$958 USD
View
B+
Retailer 13
-
£752 GBP
A$1,551 AUD
View
Retailer 14
-
£816 GBP
$1,094 USD
View
Price last confirmed 30 days ago
Retailer 15
-
£941 GBP
$1,261 USD
View
Price last confirmed 22 days ago
Retailer 16
-
£977 GBP
$1,309 USD
View
Price last confirmed 23 days ago
B
Retailer 17
-
£982 GBP
View
Retailer 18
-
£1,068 GBP
$1,431 USD
View
Price last confirmed 22 days ago
B
Retailer 19
-
£1,103 GBP
$1,478 USD
View
Retailer 20
-
£1,328 GBP
$1,780 USD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-2205CB9F7 · Oct 29
£1,717 GBP
$2,300 USD
View
20 more retailers have this diamond
Prices start from £271 GBPSave up to £1,446 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
£271 GBP