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Cushion|Lab Grown|IGI

3.80ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG665444666

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG665444666

Diamond specifications and retailer prices

From $2,356 SGD
HK$14,400 HKD
As of October 31, 2026
Save $5,800 SGD (71%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,156 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.8ct lab-grown cushion diamond

This 3.8ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG665444666 or 665444666. Listed at 16 retailers as of October 29, 2026, with prices from $2,356 to $8,156, a $5,800 spread on the same certified stone. Brilliant Earth lists it at $8,156. 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

3.80
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665444666
Dimensions10.33 × 8.50 × 5.53 mm
L/W Ratio1.22
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
10.33 mm8.50 mm3.80 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665444666
Side View
Table 58.0%Crown 36.2°Girdle: MED-STKPavilion 35.2°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: $8,156 SGD|Low: $1,620 SGD|High: $13,704 SGD|Avg: $4,816 SGD|-3.0%
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
October 21, 2026
Retailer 17$1,859 SGD
Retailer 12$1,898 SGD
Retailer 6$2,042 SGD
Retailer 8$2,356 SGD
Retailer 2$2,673 SGD
Retailer 3$2,797 SGD
Retailer 16$2,821 SGD
Retailer 15$2,967 SGD
Retailer 13$4,253 SGD
Retailer 11$4,468 SGD
Retailer 19$4,481 SGD
Retailer 9$4,809 SGD
Retailer 5$5,271 SGD
Retailer 14$5,981 SGD
Retailer 18$6,270 SGD
Retailer 10$6,573 SGD
Retailer 7$6,803 SGD
Brilliant Earth$8,156 SGD
Retailer 4$12,848 SGD

27 data points across 19 retailers

16 retailers$2,356 SGD to $8,156 SGD

Retailer 1
-
$1,898 SGD
$1,485 USD
Price last confirmed 11 days ago
Retailer 2
-
$2,042 SGD
$1,597 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$2,356 SGD
HK$14,400 HKD
View
Retailer 4
-
$2,673 SGD
£1,646 GBP
View
Price last confirmed 16 days ago
Retailer 5
-
$2,673 SGD
£1,646 GBP
View
Price last confirmed 11 days ago
Retailer 6
-
$2,797 SGD
$2,188 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$2,821 SGD
$2,207 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$4,253 SGD
ZAR 53,743 ZAR
View
Price last confirmed 12 days ago
Retailer 9
-
$4,481 SGD
£2,760 GBP
View
Price last confirmed 24 days ago
Retailer 10
-
$4,809 SGD
$3,762 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$5,271 SGD
$4,123 USD
View
Price last confirmed 13 days ago
Retailer 12
-
$5,981 SGD
£3,684 GBP
View
Price last confirmed 13 days ago
Retailer 13
-
$6,270 SGD
A$7,546 AUD
View
Price last confirmed 23 days ago
Retailer 14
-
$6,573 SGD
$5,141 USD
View
Price last confirmed 11 days ago
Retailer 15
-
$6,803 SGD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
13057105Y · Oct 29
$8,156 SGD
$6,380 USD
View
15 more retailers have this diamond
Prices start from $2,356 SGDSave up to $5,800 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
3.80ct Cushion
$2,356 SGD