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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG689566593

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

Certificate IGI LG689566593

Diamond specifications and retailer prices

From £1,735 GBP
$2,325 USD
As of October 31, 2026
Save £7,810 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,546 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689566593 or 689566593. Listed at 20 retailers as of October 31, 2026, with prices from £1,735 to £9,546, a £7,810 spread on the same certified stone. Do Amore Diamonds lists it at £9,546. 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

4.05
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566593
Dimensions9.35 × 9.15 × 6.09 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.35 mm9.15 mm4.05 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566593
Side View
Table 59.0%Crown 37.7°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 66.6%

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: £9,546 GBP|Low: £1,554 GBP|High: £9,546 GBP|Avg: £3,793 GBP
Do Amore Diamonds
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
Retailer 20
November 1, 2026
Retailer 3£1,594 GBP
Retailer 16£1,735 GBP
Retailer 7£1,773 GBP
Retailer 15£1,799 GBP
Retailer 5£1,873 GBP
Retailer 9£2,226 GBP
Retailer 2£2,445 GBP
Retailer 4£2,683 GBP
Retailer 13£2,831 GBP
Retailer 10£3,367 GBP
Retailer 17£3,782 GBP
Retailer 19£3,813 GBP
Retailer 20£4,071 GBP
Retailer 6£4,563 GBP
Retailer 11£4,655 GBP
Retailer 14£4,989 GBP
Retailer 18£5,102 GBP
Retailer 12£6,216 GBP
Retailer 8£6,429 GBP
Do Amore Diamonds£9,546 GBP

32 data points across 20 retailers

20 retailers£1,735 GBP to £9,546 GBP

Retailer 1
-
£1,594 GBP
Price last confirmed 15 days ago
A
Retailer 2
-
£1,735 GBP
$2,325 USD
View
A
Retailer 3
-
£1,773 GBP
$2,376 USD
View
A
Retailer 4
-
£1,799 GBP
$2,410 USD
View
Final sale: no returns
A
Retailer 5
-
£1,873 GBP
$2,510 USD
View
B+
Retailer 6
-
£2,226 GBP
HK$23,300 HKD
View
B+
Retailer 7
-
£2,445 GBP
View
B+
Retailer 8
-
£2,683 GBP
$3,595 USD
View
B+
Retailer 9
-
£2,831 GBP
€3,613 EUR
View
B+
Retailer 10
-
£3,367 GBP
View
B+
Retailer 11
-
£3,782 GBP
ZAR 81,873 ZAR
View
Retailer 12
-
£3,813 GBP
A$7,860 AUD
View
Price last confirmed 9 days ago
Retailer 13
-
£4,071 GBP
$5,455 USD
View
Price last confirmed 13 days ago
B
Retailer 14
-
£4,563 GBP
$6,115 USD
View
B
Retailer 15
-
£4,655 GBP
$6,237 USD
View
B+
Retailer 16
-
£4,989 GBP
A$10,285 AUD
View
B+
Retailer 17
-
£5,102 GBP
View
B
Retailer 18
-
£6,216 GBP
$8,329 USD
View
B
Retailer 19
-
£6,429 GBP
SGD 11,640 SGD
View
Most Expensive
B
Do Amore Diamonds
27-96DF2616C · Oct 31
£9,546 GBP
$12,790 USD
View
19 more retailers have this diamond
Prices start from £1,735 GBPSave up to £7,810 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
4.05ct Cushion
£1,735 GBP