Cushion|Lab Grown|IGI

6.10ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG784639150

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG784639150

Diamond specifications and retailer prices

From £1,254 GBP
$1,680 USD
As of October 31, 2026
Save £4,493 GBP (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £5,747 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 6.1ct lab-grown cushion diamond

This 6.1ct 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 LG784639150 or 784639150. Listed at 17 retailers as of October 31, 2026, with prices from £1,254 to £5,747, a £4,493 spread on the same certified stone. Brilliant Earth lists it at £5,747. 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

6.10
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784639150
Dimensions10.61 × 10.60 × 7.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.61 mm10.60 mm6.10 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784639150
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 39°Culet: NoneDepth 66.2%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £5,747 GBP|Low: £1,254 GBP|High: £5,933 GBP|Avg: £2,848 GBP|-3.1%
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
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Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 4£1,254 GBP
Retailer 6£1,299 GBP
Retailer 17£1,336 GBP
Retailer 16£1,376 GBP
Retailer 7£1,604 GBP
Retailer 11£1,835 GBP
Retailer 5£2,048 GBP
Retailer 2£2,107 GBP
Retailer 14£2,412 GBP
Retailer 12£2,515 GBP
Retailer 8£2,641 GBP
Retailer 9£3,139 GBP
Retailer 3£3,503 GBP
Retailer 13£3,716 GBP
Retailer 18£3,804 GBP
Retailer 15£4,482 GBP
Retailer 10£4,570 GBP
Brilliant Earth£5,747 GBP

42 data points across 18 retailers

17 retailers£1,254 GBP to £5,747 GBP

A
Cheapest Retailer
-
£1,254 GBP
$1,680 USD
Final sale: no returns
A
Retailer 2
-
£1,336 GBP
$1,790 USD
View
Retailer 3
-
£1,376 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
£1,604 GBP
$2,149 USD
View
A
Retailer 5
-
£1,835 GBP
View
A
Retailer 6
-
£2,048 GBP
$2,744 USD
View
A
Retailer 7
-
£2,107 GBP
€2,689 EUR
View
Retailer 8
-
£2,412 GBP
A$4,972 AUD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
£2,515 GBP
ZAR 54,433 ZAR
View
B+
Retailer 10
-
£2,641 GBP
$3,538 USD
View
B+
Retailer 11
-
£3,139 GBP
View
B+
Retailer 12
-
£3,503 GBP
$4,693 USD
View
B+
Retailer 13
-
£3,716 GBP
View
B+
Retailer 14
-
£3,804 GBP
$5,097 USD
View
Retailer 15
-
£4,482 GBP
$6,005 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
£4,570 GBP
$6,123 USD
View
Most Expensive
B
Brilliant Earth
18335969A · Oct 31
£5,747 GBP
$7,700 USD
View
16 more retailers have this diamond
Prices start from £1,254 GBPSave up to £4,493 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
6.10ct Cushion
£1,254 GBP