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Round|Lab Grown|IGI

2.91ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG627426326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627426326

Diamond specifications and retailer prices

From £972 GBP
CA$1,809 CAD
As of October 30, 2026
Save £314 GBP (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,286 GBP at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627426326 or 627426326. Listed at 2 retailers as of October 30, 2026, with prices from £972 to £1,286, a £314 spread on the same certified stone. The Diamond Guys lists it at £1,286. 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

2.91
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627426326
Dimensions9.25 × 9.23 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.25 mm9.23 mm2.91 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627426326
Side View
Table 58.0%Crown 34.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £833 GBP|Low: £191 GBP|High: £2,254 GBP|Avg: £910 GBP|+0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4£495 GBP
Retailer 5£592 GBP
Retailer 3£616 GBP
Retailer 10£630 GBP
Retailer 2£644 GBP
Retailer 6£737 GBP
Retailer 9£800 GBP
Retailer 1£833 GBP
Retailer 7£972 GBP
Retailer 8£1,131 GBP
The Diamond Guys£1,286 GBP
Retailer 12£1,418 GBP
Retailer 11£2,045 GBP

57 data points across 13 retailers

2 retailers£972 GBP to £1,286 GBP

A
Cheapest Retailer
-
£972 GBP
CA$1,809 CAD
Most Expensive
B+
The Diamond Guys
1951062230 · Oct 30
£1,286 GBP
$1,723 USD
View
1 more retailer has this diamond
Prices start from £972 GBPSave up to £314 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
2.91ct Round
£972 GBP