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Radiant|Lab Grown|IGI

2.78ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG841650239

Certificate IGI LG841650239

Diamond specifications and retailer prices

From £485 GBP
$650 USD
As of October 30, 2026
Save £1,849 GBP (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,334 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG841650239 or 841650239. Listed at 4 retailers as of October 30, 2026, with prices from £485 to £2,334, a £1,849 spread on the same certified stone. Frank Darling lists it at £2,334. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.78
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG841650239
Dimensions10.22 × 6.93 × 4.58 mm
L/W Ratio1.47
Top View
10.22 mm6.93 mm2.78 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841650239
Side View
Table 68.0%CrownGirdle: STK-NANPavilionCulet: NoneDepth 66.1%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £2,334 GBP|Low: £485 GBP|High: £2,334 GBP|Avg: £1,624 GBP
Frank Darling
Retailer 2
Retailer 3
Retailer 4
October 30, 2026
Retailer 4£485 GBP
Retailer 3£1,370 GBP
Retailer 2£2,306 GBP
Frank Darling£2,334 GBP

1 data point across 4 retailers

4 retailers£485 GBP to £2,334 GBP

B+
Cheapest Retailer
-
£485 GBP
$650 USD
B+
Retailer 2
-
£1,370 GBP
$1,836 USD
View
B
Retailer 3
-
£2,306 GBP
$3,090 USD
View
Most Expensive
B
Frank Darling
FV-245419GR · Oct 30
£2,334 GBP
$3,127 USD
View
3 more retailers have this diamond
Prices start from £485 GBPSave up to £1,849 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+
2.78ct Radiant
£485 GBP