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Cushion|Lab Grown|IGI

4.08ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG677521693

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

Certificate IGI LG677521693

Diamond specifications and retailer prices

From $1,835 USD
As of October 31, 2026
Save $10,285 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $12,120 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.08ct lab-grown cushion diamond

This 4.08ct 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 LG677521693 or 677521693. Listed at 21 retailers as of October 31, 2026, with prices from $1,835 to $12,120, a $10,285 spread on the same certified stone. Brilliant Earth lists it at $12,120. 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

4.08
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521693
Dimensions9.47 × 9.19 × 5.98 mm
L/W Ratio1.03
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
9.47 mm9.19 mm4.08 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521693
Side View
Table 60.0%Crown 36.7°Girdle: STK-THKPavilion 36.9°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 31
Current: $12,120 USD|Low: $1,723 USD|High: $12,120 USD|Avg: $4,958 USD
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 18$1,835 USD
Retailer 17$1,977 USD
Retailer 7$2,035 USD
Retailer 9$2,458 USD
Retailer 4$2,477 USD
Retailer 14$2,794 USD
Retailer 3$2,958 USD
Retailer 15$3,112 USD
Retailer 10$4,084 USD
Retailer 19$4,196 USD
Retailer 13$4,223 USD
Retailer 11$5,116 USD
Retailer 6$5,155 USD
Retailer 20$5,495 USD
Retailer 2$5,630 USD
Retailer 16$6,442 USD
Retailer 12$6,930 USD
Retailer 8$7,113 USD
Retailer 5$10,590 USD
Brilliant Earth$12,120 USD

34 data points across 20 retailers

21 retailers$1,835 USD to $12,120 USD

A
Cheapest Retailer
-
$1,835 USD
A
Retailer 2
-
$1,977 USD
View
Final sale: no returns
A
Retailer 3
-
$2,035 USD
View
A
Retailer 4
-
$2,458 USD
HK$19,200 HKD
View
A
Retailer 5
-
$2,477 USD
View
A
Retailer 6
-
$2,794 USD
£2,200 GBP
View
Retailer 7
-
$2,863 USD
£2,254 GBP
View
Price last confirmed 17 days ago
A
Retailer 8
-
$2,958 USD
View
B+
Retailer 9
-
$3,112 USD
€2,964 EUR
View
B+
Retailer 10
-
$4,084 USD
£3,216 GBP
View
B+
Retailer 11
-
$4,196 USD
ZAR 67,781 ZAR
View
B+
Retailer 12
-
$4,223 USD
A$6,497 AUD
View
B
Retailer 13
-
$5,116 USD
View
B
Retailer 14
-
$5,155 USD
View
Retailer 15
-
$5,495 USD
View
Price last confirmed 13 days ago
B+
Retailer 16
-
$5,630 USD
£4,433 GBP
View
B+
Retailer 17
-
$6,442 USD
A$9,911 AUD
View
B
Retailer 18
-
$6,930 USD
View
B
Retailer 19
-
$7,113 USD
SGD 9,612 SGD
View
B
Retailer 20
-
$10,590 USD
View
Most Expensive
B
Brilliant Earth
13509631Y · Oct 31
$12,120 USD
View
20 more retailers have this diamond
Prices start from $1,835 USDSave up to $10,285 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
4.08ct Cushion
$1,835 USD