CaratHunter
Plans
Marquise|Lab Grown|IGI

2.58ct G VVS1 Marquise Lab Grown Diamond

EX • G/VVS1 • IGI LG840663916

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840663916

Diamond specifications and retailer prices

From £257 GBP
$345 USD
As of November 1, 2026
Save £1,982 GBP (89%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,239 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.58ct lab-grown marquise diamond

This 2.58ct 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 LG840663916 or 840663916. Listed at 3 retailers as of November 1, 2026, with prices from £257 to £2,239, a £1,982 spread on the same certified stone. Rare Carat lists it at £2,239. 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

2.58
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840663916
Dimensions14.64 × 6.96 × 4.47 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm6.96 mm2.58 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840663916
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.2%

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: £2,239 GBP|Low: £257 GBP|High: £2,261 GBP|Avg: £1,167 GBP|-1.0%
Rare Carat
Retailer 2
Retailer 3
November 1, 2026
Retailer 3£257 GBP
Retailer 2£524 GBP
Rare Carat£2,239 GBP

28 data points across 3 retailers

3 retailers£257 GBP to £2,239 GBP

A
Cheapest Retailer
-
£257 GBP
$345 USD
Final sale: no returns
A
Retailer 2
-
£524 GBP
View
Most Expensive
B
Rare Carat
840663916 · Nov 1
£2,239 GBP
$3,000 USD
View
2 more retailers have this diamond
Prices start from £257 GBPSave up to £1,982 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
2.58ct Marquise
£257 GBP