Round|Lab Grown|IGI

3.42ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG594342085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG594342085

Diamond specifications and retailer prices

From £562 GBP
$753 USD
As of October 28, 2026
Save £1,758 GBP (76%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,320 GBP at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 3.42ct lab-grown round diamond

This 3.42ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG594342085 or 594342085. Listed at 4 retailers as of October 28, 2026, with prices from £562 to £2,320, a £1,758 spread on the same certified stone. Frank Darling lists it at £2,320. 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

3.42
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594342085
Dimensions9.73 × 9.68 × 5.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
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
9.73 mm9.68 mm3.42 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594342085
Side View
Table 59.0%Crown 33.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 28
Current: £2,320 GBP|Low: £562 GBP|High: £2,453 GBP|Avg: £1,562 GBP|-5.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 18, 2026
Retailer 3£562 GBP
Retailer 2£1,437 GBP
Retailer 4£1,911 GBP
Frank Darling£2,320 GBP

12 data points across 4 retailers

4 retailers£562 GBP to £2,320 GBP

B+
Cheapest Retailer
-
£562 GBP
$753 USD
B+
Retailer 2
-
£1,437 GBP
View
B
Retailer 3
-
£1,911 GBP
$2,560 USD
View
Most Expensive
B
Frank Darling
LGDRD300-008887UD · Oct 29
£2,320 GBP
$3,109 USD
View
3 more retailers have this diamond
Prices start from £562 GBPSave up to £1,758 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+
3.42ct Round
£562 GBP