CaratHunter
Plans
Marquise|Lab Grown|IGI

2.55ct E IF Marquise Lab Grown Diamond

EX • E/IF

Diamond specifications and retailer prices

From £1,317 GBP
$1,765 USD
As of October 30, 2026
Save £6,280 GBP (83%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £7,598 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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. Listed at 7 retailers as of October 30, 2026, with prices from £1,317 to £7,598, a £6,280 spread on the same certified stone. The Diamond Guys lists it at £7,598. 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
OriginLab Grown
Grading LabIGI
Dimensions14.76 × 7.03 × 4.36 mm
L/W Ratio2.10
Top View
14.76 mm7.03 mm2.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.0%

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 30
Current: £1,434 GBP|Low: £1,265 GBP|High: £7,598 GBP|Avg: £3,308 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
October 21, 2026
Retailer 2£1,317 GBP
Retailer 1£1,434 GBP
Retailer 4£1,489 GBP
Retailer 3£2,319 GBP
Retailer 7£2,648 GBP
Retailer 5£2,872 GBP
Retailer 6£5,491 GBP
The Diamond Guys£7,598 GBP

6 data points across 8 retailers

7 retailers£1,317 GBP to £7,598 GBP

A
Cheapest Retailer
-
£1,317 GBP
$1,765 USD
A
Retailer 2
-
£1,434 GBP
$1,921 USD
View
A
Retailer 3
-
£1,489 GBP
$1,995 USD
View
A
Retailer 4
-
£2,319 GBP
$3,107 USD
View
Retailer 5
-
£2,648 GBP
$3,548 USD
View
Price last confirmed 27 days ago
B+
Retailer 6
-
£2,872 GBP
CA$5,344 CAD
View
Most Expensive
B
The Diamond Guys
1941960860 · Nov 1
£7,598 GBP
$10,180 USD
View
6 more retailers have this diamond
Prices start from £1,317 GBPSave up to £6,280 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
£1,317 GBP