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Cushion|Lab Grown|IGI

6.44ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG706557226

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG706557226

Diamond specifications and retailer prices

From £1,787 GBP
$2,394 USD
As of October 29, 2026
Save £9,192 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £10,979 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 6.44ct lab-grown cushion diamond

This 6.44ct 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 LG706557226 or 706557226. Listed at 14 retailers as of October 29, 2026, with prices from £1,787 to £10,979, a £9,192 spread on the same certified stone. Do Amore Diamonds lists it at £10,979. 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

6.44
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG706557226
Dimensions9.78 × 9.78 × 6.49 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.78 mm9.78 mm6.44 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG706557226
Side View
Table 60.0%Crown 36.3°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 66.4%

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 29
Current: £2,159 GBP|Low: £1,283 GBP|High: £5,538 GBP|Avg: £3,101 GBP|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7£1,787 GBP
Retailer 10£1,852 GBP
Retailer 2£1,973 GBP
Retailer 8£1,974 GBP
Retailer 1£2,159 GBP
Retailer 11£2,602 GBP
Retailer 4£2,814 GBP
Retailer 3£3,879 GBP
Retailer 5£3,955 GBP
Retailer 9£4,920 GBP
Retailer 6£5,501 GBP

40 data points across 11 retailers

14 retailers£1,787 GBP to £10,979 GBP

A
Cheapest Retailer
-
£1,787 GBP
$2,394 USD
Final sale: no returns
A
Retailer 2
-
£1,973 GBP
$2,644 USD
View
A
Retailer 3
-
£1,974 GBP
$2,645 USD
View
A
Retailer 4
-
£2,159 GBP
View
A
Retailer 5
-
£2,340 GBP
$3,136 USD
View
B+
Retailer 6
-
£2,602 GBP
$3,486 USD
View
B+
Retailer 7
-
£2,814 GBP
View
B+
Retailer 8
-
£3,879 GBP
View
B+
Retailer 9
-
£3,955 GBP
ZAR 85,608 ZAR
View
Retailer 10
-
£4,920 GBP
A$10,142 AUD
View
Price last confirmed 22 days ago
B
Retailer 11
-
£5,188 GBP
$6,952 USD
View
B
Retailer 12
-
£5,501 GBP
View
B
Retailer 13
-
£7,136 GBP
$9,562 USD
View
Most Expensive
B
Do Amore Diamonds
27-A637D0616 · Oct 29
£10,979 GBP
$14,710 USD
View
13 more retailers have this diamond
Prices start from £1,787 GBPSave up to £9,192 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
6.44ct Cushion
£1,787 GBP