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Marquise|Lab Grown|IGI

2.55ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG726527101

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG726527101

Diamond specifications and retailer prices

From £1,616 GBP
$2,165 USD
As of October 31, 2026
Save £7,445 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,060 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG726527101 or 726527101. Listed at 20 retailers as of October 31, 2026, with prices from £1,616 to £9,060, a £7,445 spread on the same certified stone. Do Amore Diamonds lists it at £9,060. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.55
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726527101
Dimensions14.76 × 7.03 × 4.36 mm
L/W Ratio2.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.03 mm2.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726527101
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.0%

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 31
Current: £8,165 GBP|Low: £1,616 GBP|High: £8,165 GBP|Avg: £3,601 GBP
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
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 10£1,616 GBP
Retailer 4£1,687 GBP
Retailer 13£1,715 GBP
Retailer 3£2,138 GBP
Retailer 12£2,147 GBP
Retailer 7£2,185 GBP
Retailer 9£2,548 GBP
Retailer 11£2,570 GBP
Retailer 8£4,004 GBP
Retailer 6£4,179 GBP
Retailer 2£4,818 GBP
Retailer 5£4,862 GBP
Retailer 14£5,112 GBP
Retailer 15£5,963 GBP
Do Amore Diamonds£8,165 GBP

23 data points across 15 retailers

20 retailers£1,616 GBP to £9,060 GBP

Retailer 1
-
£1,265 GBP
$1,695 USD
Price last confirmed 30 days ago
Retailer 2
-
£1,434 GBP
$1,921 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
£1,616 GBP
$2,165 USD
View
Retailer 4
-
£1,687 GBP
$2,261 USD
View
Price last confirmed 9 days ago
Retailer 5
-
£1,715 GBP
View
Price last confirmed 15 days ago
A
Retailer 6
-
£2,138 GBP
A$4,408 AUD
View
A
Retailer 7
-
£2,147 GBP
$2,877 USD
View
A
Retailer 8
-
£2,185 GBP
$2,927 USD
View
Retailer 9
-
£2,319 GBP
$3,107 USD
View
Price last confirmed 32 days ago
A
Retailer 10
-
£2,548 GBP
€3,252 EUR
View
A
Retailer 11
-
£2,570 GBP
$3,444 USD
View
B+
Retailer 12
-
£4,004 GBP
A$8,254 AUD
View
Retailer 13
-
£4,179 GBP
$5,599 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£4,435 GBP
$5,942 USD
View
B+
Retailer 15
-
£4,818 GBP
View
B+
Retailer 16
-
£4,862 GBP
$6,514 USD
View
Retailer 17
-
£5,112 GBP
A$10,538 AUD
View
Price last confirmed 27 days ago
B
Retailer 18
-
£5,963 GBP
$7,990 USD
View
B
Retailer 19
-
£8,165 GBP
$10,940 USD
View
Most Expensive
B
Do Amore Diamonds
27-7768F432E · Oct 31
£9,060 GBP
$12,140 USD
View
19 more retailers have this diamond
Prices start from £1,616 GBPSave up to £7,445 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
2.55ct Marquise
£1,616 GBP