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Cushion|Lab Grown|IGI

3.05ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG780604987

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

Certificate IGI LG780604987

Diamond specifications and retailer prices

From $537 USD
As of October 25, 2026
Save $5,083 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,620 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780604987 or 780604987. Listed at 13 retailers as of October 25, 2026, with prices from $537 to $5,620, a $5,083 spread on the same certified stone. Brilliant Earth lists it at $5,620. 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

3.05
Carat
D
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780604987
Dimensions8.41 × 8.32 × 5.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.41 mm8.32 mm3.05 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780604987
Side View
Table 62.0%Crown 36.5°Girdle: STK-THKPavilion 39°Culet: NoneDepth 66.6%

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 25
Current: $5,620 USD|Low: $537 USD|High: $5,790 USD|Avg: $1,642 USD|-2.9%
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
October 30, 2026
Retailer 12$537 USD
Retailer 11$706 USD
Retailer 9$810 USD
Retailer 14$846 USD
Retailer 7$881 USD
Retailer 2$887 USD
Retailer 3$913 USD
Retailer 4$1,256 USD
Retailer 6$1,448 USD
Retailer 5$1,759 USD
Retailer 8$1,984 USD
Retailer 13$2,010 USD
Retailer 10$2,470 USD
Brilliant Earth$5,620 USD

35 data points across 14 retailers

13 retailers$537 USD to $5,620 USD

A
Cheapest Retailer
-
$537 USD
Retailer 2
-
$706 USD
£556 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$810 USD
View
B+
Retailer 4
-
$846 USD
View
A
Retailer 5
-
$881 USD
€839 EUR
View
A
Retailer 6
-
$887 USD
£698 GBP
View
A
Retailer 7
-
$913 USD
View
A
Retailer 8
-
$1,256 USD
View
Retailer 9
-
$1,759 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$1,984 USD
£1,562 GBP
View
B+
Retailer 11
-
$2,010 USD
View
Retailer 12
-
$2,470 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
17991389A · Oct 28
$5,620 USD
View
12 more retailers have this diamond
Prices start from $537 USDSave up to $5,083 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
3.05ct Cushion
$537 USD