Cushion|Lab Grown|IGI

3.80ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689566677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689566677

Diamond specifications and retailer prices

From $2,137 CAD
$1,530 USD
As of October 29, 2026
Save $11,483 CAD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $13,620 CAD 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 LG689566677 or 689566677. Listed at 21 retailers as of October 29, 2026, with prices from $2,137 to $13,620, a $11,483 spread on the same certified stone. Brilliant Earth lists it at $13,620. 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

3.80
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566677
Dimensions10.28 × 8.41 × 5.58 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
10.28 mm8.41 mm3.80 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566677
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.3%

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 29
Current: $13,620 CAD|Low: $1,954 CAD|High: $14,039 CAD|Avg: $5,218 CAD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
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Retailer 8
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Retailer 10
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Retailer 12
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Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 18$2,137 CAD
Retailer 17$2,234 CAD
Retailer 8$2,407 CAD
Retailer 10$2,467 CAD
Retailer 2$2,850 CAD
Retailer 4$3,056 CAD
Retailer 15$3,274 CAD
Retailer 5$4,036 CAD
Retailer 19$4,577 CAD
Retailer 14$4,699 CAD
Retailer 13$4,896 CAD
Retailer 11$5,255 CAD
Retailer 20$6,314 CAD
Retailer 6$6,342 CAD
Retailer 16$6,536 CAD
Retailer 3$6,842 CAD
Retailer 12$7,098 CAD
Retailer 9$7,149 CAD
Retailer 7$7,761 CAD
Brilliant Earth$13,620 CAD

36 data points across 20 retailers

21 retailers$2,137 CAD to $13,620 CAD

A
Cheapest Retailer
-
$2,137 CAD
$1,530 USD
A
Retailer 2
-
$2,234 CAD
$1,599 USD
View
Final sale: no returns
A
Retailer 3
-
$2,407 CAD
$1,723 USD
View
A
Retailer 4
-
$2,467 CAD
HK$13,800 HKD
View
A
Retailer 5
-
$2,850 CAD
£1,607 GBP
View
Retailer 6
-
$2,921 CAD
£1,646 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$3,056 CAD
$2,188 USD
View
A
Retailer 8
-
$3,274 CAD
€2,232 EUR
View
B+
Retailer 9
-
$4,036 CAD
$2,889 USD
View
Retailer 10
-
$4,577 CAD
A$5,041 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
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$4,699 CAD
ZAR 54,340 ZAR
View
B+
Retailer 12
-
$4,896 CAD
£2,760 GBP
View
B+
Retailer 13
-
$5,255 CAD
$3,762 USD
View
Retailer 14
-
$6,314 CAD
$4,520 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$6,342 CAD
$4,540 USD
View
B+
Retailer 16
-
$6,536 CAD
£3,684 GBP
View
Retailer 17
-
$6,842 CAD
A$7,535 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$7,098 CAD
$5,081 USD
View
B
Retailer 19
-
$7,149 CAD
SGD 6,916 SGD
View
B
Retailer 20
-
$7,761 CAD
$5,556 USD
View
Most Expensive
B
Brilliant Earth
14438044A · Oct 29
$13,620 CAD
$9,750 USD
View
20 more retailers have this diamond
Prices start from $2,137 CADSave up to $11,483 CAD

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
$2,137 CAD