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Marquise|Lab Grown|IGI

2.55ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG843601013

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843601013

Diamond specifications and retailer prices

From £1,020 GBP
$1,367 USD
As of October 30, 2026
Save £6,029 GBP (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £7,049 GBP at Novita Diamonds · As of October 31, 2026
View at Novita Diamonds

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843601013 or 843601013. Listed at 23 retailers as of October 30, 2026, with prices from £1,020 to £7,049, a £6,029 spread on the same certified stone. Novita Diamonds lists it at £7,049. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843601013
Dimensions14.44 × 7.04 × 4.33 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.44 mm7.04 mm2.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843601013
Side View
Table 63.0%Crown 40.4°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A+
Exceptional
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: £7,049 GBP|Low: £1,020 GBP|High: £7,049 GBP|Avg: £2,449 GBP
Novita Diamonds
Retailer 2
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Retailer 23
November 1, 2026
Retailer 12£1,020 GBP
Retailer 2£1,105 GBP
Retailer 9£1,138 GBP
Retailer 23£1,178 GBP
Retailer 17£1,297 GBP
Retailer 21£1,306 GBP
Retailer 20£1,387 GBP
Retailer 18£1,663 GBP
Retailer 13£1,687 GBP
Retailer 16£1,810 GBP
Retailer 8£2,032 GBP
Retailer 11£2,206 GBP
Retailer 4£2,209 GBP
Retailer 19£2,798 GBP
Retailer 3£2,844 GBP
Retailer 14£3,054 GBP
Retailer 6£3,177 GBP
Retailer 15£3,824 GBP
Retailer 10£3,946 GBP
Retailer 7£4,143 GBP
Retailer 22£4,285 GBP
Retailer 5£5,717 GBP
Novita Diamonds£7,049 GBP

12 data points across 23 retailers

23 retailers£1,020 GBP to £7,049 GBP

A+
Cheapest Retailer
-
£1,020 GBP
$1,367 USD
A
Retailer 2
-
£1,105 GBP
$1,481 USD
View
A
Retailer 3
-
£1,138 GBP
$1,525 USD
View
Final sale: no returns
A
Retailer 4
-
£1,178 GBP
$1,579 USD
View
A
Retailer 5
-
£1,297 GBP
View
A
Retailer 6
-
£1,306 GBP
$1,750 USD
View
A
Retailer 7
-
£1,387 GBP
$1,858 USD
View
A
Retailer 8
-
£1,663 GBP
View
A
Retailer 9
-
£1,687 GBP
$2,260 USD
View
A
Retailer 10
-
£1,810 GBP
€2,310 EUR
View
A
Retailer 11
-
£2,032 GBP
$2,722 USD
View
A
Retailer 12
-
£2,206 GBP
$2,956 USD
View
A
Retailer 13
-
£2,209 GBP
$2,960 USD
View
A
Retailer 14
-
£2,798 GBP
A$5,768 AUD
View
A
Retailer 15
-
£2,844 GBP
View
A
Retailer 16
-
£3,054 GBP
ZAR 66,112 ZAR
View
A
Retailer 17
-
£3,177 GBP
$4,257 USD
View
B+
Retailer 18
-
£3,824 GBP
View
B+
Retailer 19
-
£3,946 GBP
SGD 7,144 SGD
View
B+
Retailer 20
-
£4,143 GBP
$5,552 USD
View
B+
Retailer 21
-
£4,285 GBP
$5,741 USD
View
B+
Retailer 22
-
£5,717 GBP
$7,660 USD
View
Most Expensive
B
Novita Diamonds
cert_843601013 · Oct 31
£7,049 GBP
A$14,531 AUD
View
22 more retailers have this diamond
Prices start from £1,020 GBPSave up to £6,029 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
£1,020 GBP