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Radiant|Lab Grown|IGI

6.09ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG750521141

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

Certificate IGI LG750521141

Diamond specifications and retailer prices

From £1,252 GBP
$1,677 USD
As of October 29, 2026
Save £5,428 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £6,680 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 standard cut grade and certified by IGI LG750521141 or 750521141. Listed at 14 retailers as of October 29, 2026, with prices from £1,252 to £6,680, a £5,428 spread on the same certified stone. Brilliant Earth lists it at £6,680. 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

6.09
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750521141
Dimensions10.20 × 10.16 × 6.76 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm10.16 mm6.09 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750521141
Side View
Table 65.0%Crown 42.4°Girdle: MED-STKPavilion 36.3°Culet: NoneDepth 66.5%

Caratlytics Score

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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 29
Current: £6,680 GBP|Low: £1,252 GBP|High: £7,777 GBP|Avg: £3,058 GBP|-14.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 12£1,252 GBP
Retailer 3£1,297 GBP
Retailer 8£1,370 GBP
Retailer 4£1,602 GBP
Retailer 2£1,731 GBP
Retailer 13£2,044 GBP
Retailer 11£2,244 GBP
Retailer 9£2,511 GBP
Retailer 5£3,128 GBP
Retailer 14£3,497 GBP
Retailer 10£3,725 GBP
Retailer 15£3,798 GBP
Retailer 7£4,557 GBP
Retailer 6£4,563 GBP
Brilliant Earth£6,680 GBP

34 data points across 15 retailers

14 retailers£1,252 GBP to £6,680 GBP

A
Cheapest Retailer
-
£1,252 GBP
$1,677 USD
Final sale: no returns
Retailer 2
-
£1,297 GBP
$1,738 USD
View
Price last confirmed 20 days ago
A
Retailer 3
-
£1,370 GBP
View
B+
Retailer 4
-
£1,602 GBP
$2,146 USD
View
B+
Retailer 5
-
£1,731 GBP
$2,320 USD
View
B+
Retailer 6
-
£2,044 GBP
$2,739 USD
View
Retailer 7
-
£2,244 GBP
€2,864 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
£2,511 GBP
ZAR 54,345 ZAR
View
B
Retailer 9
-
£3,128 GBP
View
B
Retailer 10
-
£3,497 GBP
$4,685 USD
View
B
Retailer 11
-
£3,725 GBP
View
B
Retailer 12
-
£3,798 GBP
$5,089 USD
View
B
Retailer 13
-
£4,563 GBP
$6,114 USD
View
Most Expensive
B
Brilliant Earth
16643738A · Oct 29
£6,680 GBP
$8,950 USD
View
13 more retailers have this diamond
Prices start from £1,252 GBPSave up to £5,428 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
6.09ct Radiant
£1,252 GBP