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Marquise|Lab Grown|IGI

2.58ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG798605716

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG798605716

Diamond specifications and retailer prices

From £1,046 GBP
CA$1,947 CAD
As of October 30, 2026
Save £463 GBP (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,510 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

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 LG798605716 or 798605716. Listed at 2 retailers as of October 30, 2026, with prices from £1,046 to £1,510, a £463 spread on the same certified stone. The Diamond Guys lists it at £1,510. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798605716
Dimensions14.05 × 7.15 × 4.51 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
14.05 mm7.15 mm2.58 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798605716
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,180 GBP|Low: £640 GBP|High: £3,664 GBP|Avg: £1,588 GBP|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
The Diamond Guys
August 3, 2026
Retailer 6£642 GBP
Retailer 9£676 GBP
Retailer 2£741 GBP
Retailer 7£1,046 GBP
Retailer 1£1,180 GBP
Retailer 8£1,277 GBP
Retailer 4£1,284 GBP
The Diamond Guys£1,510 GBP
Retailer 3£2,184 GBP
Retailer 5£2,301 GBP
Retailer 10£3,664 GBP

33 data points across 11 retailers

2 retailers£1,046 GBP to £1,510 GBP

B+
Cheapest Retailer
-
£1,046 GBP
CA$1,947 CAD
Most Expensive
B
The Diamond Guys
1958036124 · Nov 1
£1,510 GBP
$2,023 USD
View
1 more retailer has this diamond
Prices start from £1,046 GBPSave up to £463 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.

B+
2.58ct Marquise
£1,046 GBP