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Round|Lab Grown|IGI

2.99ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG639434900

Shape and cutting style on the report: Round brilliant

Certificate IGI LG639434900

Diamond specifications and retailer prices

From £260 GBP
$348 USD
As of November 1, 2026
Save £958 GBP (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,262 GBP at MOH London · As of October 25, 2026
View at MOH London

About this 2.99ct lab-grown round diamond

This 2.99ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG639434900 or 639434900. Listed at 17 retailers as of October 30, 2026, with a 369% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

2.99
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG639434900
Dimensions9.31 × 9.27 × 5.62 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm9.27 mm2.99 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG639434900
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.5%

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: £1,262 GBP|Low: £260 GBP|High: £1,510 GBP|Avg: £756 GBP|-13.3%
MOH London
Retailer 2
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Retailer 17
November 1, 2026
Retailer 14£260 GBP
Retailer 9£302 GBP
Retailer 4£322 GBP
Retailer 5£322 GBP
Retailer 13£437 GBP
Retailer 2£467 GBP
Retailer 16£519 GBP
Retailer 15£557 GBP
Retailer 10£578 GBP
Retailer 11£717 GBP
Retailer 12£778 GBP
Retailer 3£871 GBP
Retailer 17£946 GBP
Retailer 7£1,037 GBP
Retailer 8£1,068 GBP
Retailer 6£1,218 GBP
MOH London£1,262 GBP

34 data points across 17 retailers

17 retailers£260 GBP to £1,218 GBP

A
Cheapest Retailer
-
£260 GBP
$348 USD
A
Retailer 2
-
£302 GBP
$404 USD
View
A
Retailer 3
-
£322 GBP
$432 USD
View
Retailer 4
-
£322 GBP
$432 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£437 GBP
$585 USD
View
A
Retailer 6
-
£467 GBP
View
B+
Retailer 7
-
£519 GBP
$695 USD
View
A
Retailer 8
-
£557 GBP
$746 USD
View
A
Retailer 9
-
£578 GBP
View
A
Retailer 10
-
£717 GBP
A$1,477 AUD
View
A
Retailer 11
-
£778 GBP
ZAR 16,835 ZAR
View
B+
Retailer 12
-
£871 GBP
$1,167 USD
View
B+
Retailer 13
-
£946 GBP
$1,267 USD
View
B+
Retailer 14
-
£1,037 GBP
$1,389 USD
View
B+
Retailer 15
-
£1,068 GBP
$1,431 USD
View
B+
Retailer 16
-
£1,218 GBP
$1,632 USD
View
Most Expensive
MOH London
LG639434900 · Oct 25
£1,262 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from £260 GBPSave up to £958 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
2.99ct Round
£260 GBP