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Marquise|Lab Grown|IGI

2.55ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG801636004

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801636004

Diamond specifications and retailer prices

From £281 GBP
$377 USD
As of November 1, 2026
Save £1,920 GBP (87%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £2,202 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.55ct lab-grown marquise diamond

This 2.55ct lab-grown marquise sits in the two to three carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG801636004 or 801636004. Listed at 6 retailers as of November 1, 2026, with prices from £281 to £2,202, a £1,920 spread on the same certified stone. Rare Carat lists it at £2,202. 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
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801636004
Dimensions13.89 × 7.05 × 4.52 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.89 mm7.05 mm2.55 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801636004
Side View
Table 60.0%Crown 37°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.1%

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: Nov 1
Current: £2,202 GBP|Low: £281 GBP|High: £2,287 GBP|Avg: £1,074 GBP|-3.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 2£281 GBP
Retailer 8£404 GBP
Retailer 12£517 GBP
Retailer 10£530 GBP
Retailer 9£581 GBP
Retailer 11£610 GBP
Retailer 5£814 GBP
Retailer 13£827 GBP
Retailer 6£1,048 GBP
Retailer 3£1,236 GBP
Retailer 7£2,158 GBP
Rare Carat£2,202 GBP
Retailer 4£2,261 GBP

17 data points across 13 retailers

6 retailers£281 GBP to £2,202 GBP

A
Cheapest Retailer
-
£281 GBP
$377 USD
Final sale: no returns
B+
Retailer 2
-
£404 GBP
$541 USD
View
Retailer 3
-
£581 GBP
$778 USD
View
Price last confirmed 20 days ago
B+
Retailer 4
-
£1,048 GBP
$1,404 USD
View
B
Retailer 5
-
£2,158 GBP
$2,892 USD
View
Most Expensive
B
Rare Carat
801636004 · Nov 1
£2,202 GBP
$2,950 USD
View
5 more retailers have this diamond
Prices start from £281 GBPSave up to £1,920 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
£281 GBP