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Radiant|Lab Grown|IGI

6.09ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG839654173

Certificate IGI LG839654173

Diamond specifications and retailer prices

From £2,106 GBP
$2,822 USD
As of October 31, 2026
Save £2,550 GBP (55%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,657 GBP at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839654173 or 839654173. Listed at 5 retailers as of October 31, 2026, with prices from £2,106 to £4,657, a £2,550 spread on the same certified stone. Frank Darling lists it at £4,657. 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

6.09
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG839654173
Dimensions13.01 × 9.02 × 5.97 mm
L/W Ratio1.44
Top View
13.01 mm9.02 mm6.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839654173
Side View
Table 67.0%CrownGirdle: MED-MEDPavilionCulet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £4,657 GBP|Low: £2,106 GBP|High: £4,677 GBP|Avg: £3,332 GBP|-0.4%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3£2,106 GBP
Retailer 5£2,318 GBP
Retailer 2£2,676 GBP
Retailer 4£4,400 GBP
Frank Darling£4,657 GBP

4 data points across 5 retailers

5 retailers£2,106 GBP to £4,657 GBP

B+
Cheapest Retailer
-
£2,106 GBP
$2,822 USD
B+
Retailer 2
-
£2,318 GBP
$3,106 USD
View
B+
Retailer 3
-
£2,676 GBP
€3,415 EUR
View
B
Retailer 4
-
£4,400 GBP
$5,895 USD
View
Most Expensive
B
Frank Darling
100196673326BD · Oct 31
£4,657 GBP
$6,239 USD
View
4 more retailers have this diamond
Prices start from £2,106 GBPSave up to £2,550 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+
6.09ct Radiant
£2,106 GBP