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Radiant|Lab Grown|IGI

6.25ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG841688135

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

Certificate IGI LG841688135

Diamond specifications and retailer prices

From £2,188 GBP
As of October 30, 2026
Save £3,194 GBP (59%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,382 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6.25ct lab-grown radiant diamond

This 6.25ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG841688135 or 841688135. Listed at 7 retailers as of October 30, 2026, with prices from £2,188 to £5,382, a £3,194 spread on the same certified stone. Taylor and Hart lists it at £5,382. 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

6.25
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841688135
Dimensions13.79 × 8.77 × 5.68 mm
L/W Ratio1.57
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.79 mm8.77 mm6.25 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841688135
Side View
Table 68.0%Crown 45.5°Girdle: Slightly ThickPavilion 31.9°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,188 GBP|Low: £2,187 GBP|High: £5,523 GBP|Avg: £3,545 GBP|-3.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 30, 2026
Retailer 1£2,188 GBP
Retailer 6£2,218 GBP
Retailer 2£2,986 GBP
Retailer 5£3,338 GBP
Retailer 4£3,975 GBP
Retailer 3£4,431 GBP
Taylor and Hart£5,382 GBP

21 data points across 7 retailers

7 retailers£2,188 GBP to £5,382 GBP

A
Cheapest Retailer
-
£2,188 GBP
A
Retailer 2
-
£2,218 GBP
$2,972 USD
View
B+
Retailer 3
-
£2,986 GBP
ZAR 64,640 ZAR
View
B+
Retailer 4
-
£3,338 GBP
$4,473 USD
View
B+
Retailer 5
-
£3,975 GBP
$5,326 USD
View
B+
Retailer 6
-
£4,431 GBP
View
Most Expensive
B
Taylor and Hart
ACEYZJW · Oct 30
£5,382 GBP
$7,211 USD
View
6 more retailers have this diamond
Prices start from £2,188 GBPSave up to £3,194 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
6.25ct Radiant
£2,188 GBP