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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728567933

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728567933

Diamond specifications and retailer prices

From $1,655 SGD
$1,291 USD
As of October 28, 2026
Save $7,820 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $9,475 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

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 LG728567933 or 728567933. Listed at 18 retailers as of October 28, 2026, with prices from $1,655 to $9,475, a $7,820 spread on the same certified stone. Brilliant Earth lists it at $9,475. 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 angle37.9°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728567933
Dimensions8.59 × 8.59 × 5.76 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
8.59 mm8.59 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728567933
Side View
Table 61.0%Crown 37.9°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 67.1%

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: $9,475 SGD|Low: $1,655 SGD|High: $9,475 SGD|Avg: $3,879 SGD
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
October 29, 2026
Retailer 10$1,655 SGD
Retailer 4$1,714 SGD
Retailer 12$1,910 SGD
Retailer 5$2,186 SGD
Retailer 11$2,471 SGD
Retailer 16$2,577 SGD
Retailer 13$2,730 SGD
Retailer 15$3,615 SGD
Retailer 14$3,670 SGD
Retailer 17$3,912 SGD
Retailer 6$4,425 SGD
Retailer 7$4,728 SGD
Retailer 3$4,741 SGD
Retailer 9$5,176 SGD
Retailer 2$5,538 SGD
Retailer 8$6,001 SGD
Brilliant Earth$9,475 SGD

40 data points across 17 retailers

18 retailers$1,655 SGD to $9,475 SGD

A
Cheapest Retailer
-
$1,655 SGD
$1,291 USD
Final sale: no returns
A
Retailer 2
-
$1,714 SGD
$1,337 USD
View
Price last confirmed 16 days ago
Returns within 30 days
A
Retailer 3
-
$1,910 SGD
$1,490 USD
View
Returns within 40 days
A
Retailer 4
-
$2,186 SGD
$1,705 USD
View
Returns within 30 days
A
Retailer 5
-
$2,471 SGD
£1,518 GBP
View
Returns within 30 days
A
Retailer 6
-
$2,577 SGD
$2,010 USD
View
Returns within 30 days
A
Retailer 7
-
$2,730 SGD
€2,028 EUR
View
Returns within 100 days
A
Retailer 8
-
$3,615 SGD
ZAR 45,551 ZAR
View
Price last confirmed 14 days ago
Returns within 7 days
B+
Retailer 9
-
$3,670 SGD
A$4,404 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$3,912 SGD
$3,051 USD
View
Returns within 30 days
B+
Retailer 11
-
$4,425 SGD
$3,451 USD
View
Returns within 3 days
B+
Retailer 12
-
$4,728 SGD
£2,904 GBP
View
Price last confirmed 17 days ago
Returns within 30 days
B+
Retailer 13
-
$4,741 SGD
$3,698 USD
View
Returns within 30 days
B+
Retailer 14
-
$4,963 SGD
$3,871 USD
View
Returns within 30 days
B+
Retailer 15
-
$5,176 SGD
$4,037 USD
View
Returns within 30 days
B+
Retailer 16
-
$5,538 SGD
£3,401 GBP
View
B
Retailer 17
-
$6,001 SGD
$4,681 USD
View
Returns within 90 days
Most Expensive
B
Brilliant Earth
15634959A · Oct 28
$9,475 SGD
$7,390 USD
View
Returns within 30 days
17 more retailers have this diamond
Prices start from $1,655 SGDSave up to $7,820 SGD

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
$1,655 SGD