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Radiant|Lab Grown|IGI

12.35ct F VS1 Radiant Lab Grown Diamond

ID • F/VS1 • IGI LG850684148

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG850684148

Diamond specifications and retailer prices

From £2,295 GBP
$3,075 USD
As of November 2, 2026
Save £7,188 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £9,483 GBP at With Clarity · As of November 2, 2026
View at With Clarity

About this 12.35ct lab-grown radiant diamond

This 12.35ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850684148 or 850684148. Listed at 6 retailers as of November 2, 2026, with prices from £2,295 to £9,483, a £7,188 spread on the same certified stone. With Clarity lists it at £9,483. 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

12.35
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850684148
Dimensions16.65 × 11.29 × 7.61 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.65 mm11.29 mm12.35 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850684148
Side View
Table 66.0%Crown 47°Girdle: MediumPavilion 34.2°Culet: NoneDepth 67.4%

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 2
Current: £2,950 GBP|Low: £2,295 GBP|High: £9,483 GBP|Avg: £6,008 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 31, 2026
Retailer 3£2,295 GBP
Retailer 1£2,950 GBP
Retailer 4£4,400 GBP
Retailer 2£4,814 GBP
Retailer 5£7,833 GBP
With Clarity£9,483 GBP

5 data points across 6 retailers

6 retailers£2,295 GBP to £9,483 GBP

A
Cheapest Retailer
-
£2,295 GBP
$3,075 USD
A
Retailer 2
-
£2,950 GBP
€3,764 EUR
View
B+
Retailer 3
-
£4,400 GBP
$5,895 USD
View
B+
Retailer 4
-
£4,814 GBP
$6,450 USD
View
B
Retailer 5
-
£7,833 GBP
$10,495 USD
View
Most Expensive
B
With Clarity
850684148 · Nov 2
£9,483 GBP
$12,706 USD
View
5 more retailers have this diamond
Prices start from £2,295 GBPSave up to £7,188 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
12.35ct Radiant
£2,295 GBP