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Round|Lab Grown|IGI

12.34ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG577395275

Shape and cutting style on the report: Round brilliant

Certificate IGI LG577395275

Diamond specifications and retailer prices

From £3,179 GBP
$4,260 USD
As of October 31, 2026
Save £7,200 GBP (69%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £10,379 GBP at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 12.34ct lab-grown round diamond

This 12.34ct lab-grown round sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG577395275 or 577395275. Listed at 4 retailers as of October 31, 2026, with prices from £3,179 to £10,379, a £7,200 spread on the same certified stone. Michael Trio lists it at £10,379. 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

12.34
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG577395275
Dimensions14.90 × 14.97 × 9.10 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
14.90 mm14.97 mm12.34 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG577395275
Side View
Table 57.0%Crown 34.4°Girdle: ThinPavilion 40.8°Culet: NoneDepth 60.9%

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: Oct 31
Current: £10,379 GBP|Low: £2,217 GBP|High: £11,814 GBP|Avg: £5,289 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 6£2,958 GBP
Retailer 7£3,023 GBP
Retailer 4£3,179 GBP
Retailer 3£3,582 GBP
Retailer 2£4,142 GBP
Retailer 5£4,751 GBP
Retailer 8£4,959 GBP
Michael Trio£10,379 GBP
Retailer 9£11,814 GBP

7 data points across 9 retailers

4 retailers£3,179 GBP to £10,379 GBP

A
Cheapest Retailer
-
£3,179 GBP
$4,260 USD
A
Retailer 2
-
£3,582 GBP
HK$37,500 HKD
View
B+
Retailer 3
-
£4,142 GBP
$5,550 USD
View
Most Expensive
B
Michael Trio
1746051589 · Oct 31
£10,379 GBP
SGD 18,793 SGD
View
3 more retailers have this diamond
Prices start from £3,179 GBPSave up to £7,200 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
12.34ct Round
£3,179 GBP