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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG729590156

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590156

Diamond specifications and retailer prices

From €1,864 EUR
$2,082 USD
As of October 29, 2026
Save €9,585 EUR (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €11,448 EUR 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 LG729590156 or 729590156. Listed at 20 retailers as of October 29, 2026, with prices from €1,864 to €11,448, a €9,585 spread on the same certified stone. Do Amore Diamonds lists it at €11,448. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590156
Dimensions8.69 × 8.69 × 5.73 mm
L/W Ratio1.00
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
8.69 mm8.69 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590156
Side View
Table 62.0%Crown 34.9°Girdle: STK-THKPavilion 36°Culet: NoneDepth 65.9%

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: €11,448 EUR|Low: €1,864 EUR|High: €11,448 EUR|Avg: €4,671 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 12€1,864 EUR
Retailer 18€1,996 EUR
Retailer 6€2,127 EUR
Retailer 4€2,247 EUR
Retailer 8€2,670 EUR
Retailer 2€2,932 EUR
Retailer 3€3,218 EUR
Retailer 14€3,419 EUR
Retailer 9€4,038 EUR
Retailer 13€4,536 EUR
Retailer 16€4,573 EUR
Retailer 17€4,883 EUR
Retailer 5€5,473 EUR
Retailer 10€5,583 EUR
Retailer 19€6,061 EUR
Retailer 15€6,119 EUR
Retailer 11€7,455 EUR
Retailer 7€7,710 EUR
Do Amore Diamonds€11,448 EUR

38 data points across 19 retailers

20 retailers€1,864 EUR to €11,448 EUR

A
Cheapest Retailer
-
€1,864 EUR
$2,082 USD
Final sale: no returns
A
Retailer 2
-
€1,996 EUR
$2,230 USD
View
A
Retailer 3
-
€2,127 EUR
$2,376 USD
View
A
Retailer 4
-
€2,247 EUR
$2,510 USD
View
B+
Retailer 5
-
€2,670 EUR
HK$23,300 HKD
View
B+
Retailer 6
-
€2,932 EUR
£2,579 GBP
View
Retailer 7
-
€2,983 EUR
£2,624 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
€3,218 EUR
$3,595 USD
View
B+
Retailer 9
-
€3,419 EUR
View
B+
Retailer 10
-
€4,038 EUR
£3,552 GBP
View
B+
Retailer 11
-
€4,536 EUR
ZAR 81,873 ZAR
View
Retailer 12
-
€4,573 EUR
A$7,860 AUD
View
Price last confirmed 9 days ago
Retailer 13
-
€4,883 EUR
$5,455 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
€5,473 EUR
$6,115 USD
View
B
Retailer 15
-
€5,583 EUR
$6,237 USD
View
Retailer 16
-
€6,061 EUR
A$10,417 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
€6,119 EUR
£5,383 GBP
View
B
Retailer 18
-
€7,455 EUR
$8,329 USD
View
B
Retailer 19
-
€7,710 EUR
SGD 11,640 SGD
View
Most Expensive
B
Do Amore Diamonds
27-D298A4B97 · Oct 31
€11,448 EUR
$12,790 USD
View
19 more retailers have this diamond
Prices start from €1,864 EURSave up to €9,585 EUR

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
€1,864 EUR