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Marquise|Lab Grown|IGI

3.10ct H VVS2 Marquise Lab Grown Diamond

EX • H/VVS2 • IGI LG797602278

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797602278

Diamond specifications and retailer prices

From £286 GBP
$384 USD
As of November 1, 2026
Save £2,303 GBP (89%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,590 GBP at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG797602278 or 797602278. Listed at 5 retailers as of November 1, 2026, with prices from £286 to £2,590, a £2,303 spread on the same certified stone. Helzberg Diamonds lists it at £2,590. 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

3.10
Carat
H
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797602278
Dimensions15.53 × 7.55 × 4.65 mm
L/W Ratio2.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.53 mm7.55 mm3.10 ctH / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797602278
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: £2,590 GBP|Low: £286 GBP|High: £2,590 GBP|Avg: £1,046 GBP
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 5£286 GBP
Retailer 10£324 GBP
Retailer 3£507 GBP
Retailer 8£545 GBP
Retailer 2£591 GBP
Retailer 9£687 GBP
Retailer 11£783 GBP
Retailer 4£885 GBP
Retailer 12£1,086 GBP
Retailer 7£1,997 GBP
Retailer 6£2,001 GBP
Helzberg Diamonds£2,590 GBP

35 data points across 12 retailers

5 retailers£286 GBP to £2,590 GBP

A
Cheapest Retailer
-
£286 GBP
$384 USD
Final sale: no returns
A
Retailer 2
-
£591 GBP
View
B
Retailer 3
-
£1,997 GBP
$2,680 USD
View
B
Retailer 4
-
£2,001 GBP
$2,685 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNPNMGIINO · Nov 2
£2,590 GBP
$3,475 USD
View
4 more retailers have this diamond
Prices start from £286 GBPSave up to £2,303 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
3.10ct Marquise
£286 GBP