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Marquise|Lab Grown|IGI

2.51ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG801604271

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801604271

Diamond specifications and retailer prices

From £266 GBP
$357 USD
As of November 1, 2026
Save £1,910 GBP (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,176 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.51ct lab-grown marquise diamond

This 2.51ct 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 LG801604271 or 801604271. Listed at 3 retailers as of November 1, 2026, with prices from £266 to £2,176, a £1,910 spread on the same certified stone. Rare Carat lists it at £2,176. 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

2.51
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801604271
Dimensions14.64 × 7.00 × 4.26 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm7.00 mm2.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801604271
Side View
Table 63.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

Caratlytics Score

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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: Nov 1
Current: £2,176 GBP|Low: £266 GBP|High: £2,245 GBP|Avg: £884 GBP|-3.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4£266 GBP
Retailer 7£317 GBP
Retailer 10£490 GBP
Retailer 5£516 GBP
Retailer 2£549 GBP
Retailer 6£734 GBP
Retailer 11£811 GBP
Retailer 8£1,022 GBP
Retailer 9£1,046 GBP
Retailer 3£1,247 GBP
Rare Carat£2,176 GBP

38 data points across 11 retailers

3 retailers£266 GBP to £2,176 GBP

A
Cheapest Retailer
-
£266 GBP
$357 USD
Final sale: no returns
A
Retailer 2
-
£549 GBP
View
Most Expensive
B
Rare Carat
801604271 · Nov 1
£2,176 GBP
$2,920 USD
View
2 more retailers have this diamond
Prices start from £266 GBPSave up to £1,910 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
2.51ct Marquise
£266 GBP