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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG689569118

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

Certificate IGI LG689569118

Diamond specifications and retailer prices

From $2,230 USD
As of October 28, 2026
Save $10,560 USD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $12,790 USD at Do Amore Diamonds · As of October 29, 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 LG689569118 or 689569118. Listed at 19 retailers as of October 28, 2026, with prices from $2,230 to $12,790, a $10,560 spread on the same certified stone. Do Amore Diamonds lists it at $12,790. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689569118
Dimensions9.22 × 9.22 × 6.00 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
9.22 mm9.22 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689569118
Side View
Table 59.0%Crown 36.7°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 65.1%

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: $12,790 USD|Low: $2,230 USD|High: $12,790 USD|Avg: $5,197 USD
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 19
October 29, 2026
Retailer 14$2,230 USD
Retailer 7$2,376 USD
Retailer 5$2,410 USD
Retailer 4$2,510 USD
Retailer 9$2,982 USD
Retailer 12$3,256 USD
Retailer 3$3,595 USD
Retailer 13$3,789 USD
Retailer 10$4,511 USD
Retailer 15$5,048 USD
Retailer 16$5,109 USD
Retailer 17$5,455 USD
Retailer 6$6,115 USD
Retailer 19$6,237 USD
Retailer 18$6,771 USD
Retailer 2$6,836 USD
Retailer 11$8,329 USD
Retailer 8$8,614 USD
Do Amore Diamonds$12,790 USD

38 data points across 19 retailers

19 retailers$2,230 USD to $12,790 USD

A
Cheapest Retailer
-
$2,230 USD
A
Retailer 2
-
$2,376 USD
View
A
Retailer 3
-
$2,410 USD
View
Final sale: no returns
A
Retailer 4
-
$2,510 USD
View
B+
Retailer 5
-
$2,982 USD
HK$23,300 HKD
View
B+
Retailer 6
-
$3,256 USD
£2,564 GBP
View
B+
Retailer 7
-
$3,595 USD
View
B+
Retailer 8
-
$3,789 USD
€3,609 EUR
View
B+
Retailer 9
-
$4,511 USD
£3,552 GBP
View
B+
Retailer 10
-
$5,048 USD
ZAR 81,552 ZAR
View
B+
Retailer 11
-
$5,109 USD
A$7,860 AUD
View
B+
Retailer 12
-
$5,455 USD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$6,115 USD
View
B
Retailer 14
-
$6,237 USD
View
B
Retailer 15
-
$6,771 USD
A$10,417 AUD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$6,836 USD
£5,383 GBP
View
B
Retailer 17
-
$8,329 USD
View
B
Retailer 18
-
$8,614 USD
SGD 11,640 SGD
View
Most Expensive
B
Do Amore Diamonds
27-BE435D680 · Oct 29
$12,790 USD
View
18 more retailers have this diamond
Prices start from $2,230 USDSave up to $10,560 USD

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
$2,230 USD