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Cushion|Lab Grown|IGI

6.09ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG813625732

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813625732

Diamond specifications and retailer prices

From £1,347 GBP
$1,805 USD
As of October 28, 2026
Save £4,441 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,789 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 6.09ct lab-grown cushion diamond

This 6.09ct lab-grown cushion 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 LG813625732 or 813625732. Listed at 19 retailers as of October 28, 2026, with prices from £1,347 to £5,789, a £4,441 spread on the same certified stone. With Clarity lists it at £5,789. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813625732
Dimensions9.31 × 12.12 × 6.31 mm
L/W Ratio1.30
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.31 mm12.12 mm6.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813625732
Side View
Table 62.0%Crown 34.7°Girdle: STK-VTKPavilion 35°Culet: NoneDepth 67.8%

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 28
Current: £4,290 GBP|Low: £1,175 GBP|High: £5,907 GBP|Avg: £2,950 GBP|+0.4%
Retailer 1
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 31, 2026
Retailer 7£1,175 GBP
Retailer 16£1,347 GBP
Retailer 15£1,376 GBP
Retailer 2£1,473 GBP
Retailer 17£1,708 GBP
Retailer 8£1,922 GBP
Retailer 13£2,008 GBP
Retailer 9£2,284 GBP
Retailer 3£2,335 GBP
Retailer 14£2,636 GBP
Retailer 6£2,946 GBP
Retailer 5£3,282 GBP
Retailer 18£3,482 GBP
Retailer 19£3,590 GBP
Retailer 12£3,994 GBP
Retailer 4£4,284 GBP
Retailer 1£4,290 GBP
Retailer 10£4,471 GBP
Retailer 11£5,732 GBP
With Clarity£5,789 GBP

33 data points across 20 retailers

19 retailers£1,347 GBP to £5,789 GBP

A
Cheapest Retailer
-
£1,347 GBP
$1,805 USD
A
Retailer 2
-
£1,376 GBP
HK$14,400 HKD
View
A
Retailer 3
-
£1,473 GBP
$1,973 USD
View
A
Retailer 4
-
£1,708 GBP
View
A
Retailer 5
-
£1,922 GBP
$2,575 USD
View
A
Retailer 6
-
£2,008 GBP
$2,690 USD
View
Retailer 7
-
£2,284 GBP
A$4,708 AUD
View
Price last confirmed 9 days ago
A
Retailer 8
-
£2,335 GBP
ZAR 50,537 ZAR
View
B+
Retailer 9
-
£2,636 GBP
$3,532 USD
View
B+
Retailer 10
-
£2,946 GBP
View
B+
Retailer 11
-
£3,282 GBP
$4,398 USD
View
B+
Retailer 12
-
£3,482 GBP
View
B+
Retailer 13
-
£3,590 GBP
$4,810 USD
View
B
Retailer 14
-
£3,994 GBP
SGD 7,231 SGD
View
B
Retailer 15
-
£4,284 GBP
$5,740 USD
View
B
Retailer 16
-
£4,290 GBP
A$8,844 AUD
View
Retailer 17
-
£4,471 GBP
$5,990 USD
View
Price last confirmed 10 days ago
B
Retailer 18
-
£5,732 GBP
$7,680 USD
View
Most Expensive
B
With Clarity
813625732 · Oct 31
£5,789 GBP
$7,756 USD
View
18 more retailers have this diamond
Prices start from £1,347 GBPSave up to £4,441 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 Cushion
£1,347 GBP