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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 $1,530 USD
As of October 29, 2026
Save $8,220 USD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $9,750 USD 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 $1,530 to $9,750, a $8,220 spread on the same certified stone. Brilliant Earth lists it at $9,750. 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: $9,750 USD|Low: $1,399 USD|High: $10,050 USD|Avg: $3,736 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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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$1,530 USD
Retailer 17$1,599 USD
Retailer 8$1,723 USD
Retailer 10$1,766 USD
Retailer 2$2,041 USD
Retailer 4$2,188 USD
Retailer 15$2,344 USD
Retailer 5$2,889 USD
Retailer 19$3,277 USD
Retailer 14$3,364 USD
Retailer 13$3,505 USD
Retailer 11$3,762 USD
Retailer 20$4,520 USD
Retailer 6$4,540 USD
Retailer 16$4,679 USD
Retailer 3$4,898 USD
Retailer 12$5,081 USD
Retailer 9$5,118 USD
Retailer 7$5,556 USD
Brilliant Earth$9,750 USD

36 data points across 20 retailers

21 retailers$1,530 USD to $9,750 USD

A
Cheapest Retailer
-
$1,530 USD
A
Retailer 2
-
$1,599 USD
View
Final sale: no returns
A
Retailer 3
-
$1,723 USD
View
A
Retailer 4
-
$1,766 USD
HK$13,800 HKD
View
A
Retailer 5
-
$2,041 USD
£1,607 GBP
View
Retailer 6
-
$2,091 USD
£1,646 GBP
View
Price last confirmed 15 days ago
A
Retailer 7
-
$2,188 USD
View
A
Retailer 8
-
$2,344 USD
€2,232 EUR
View
B+
Retailer 9
-
$2,889 USD
View
Retailer 10
-
$3,277 USD
A$5,041 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$3,364 USD
ZAR 54,340 ZAR
View
B+
Retailer 12
-
$3,505 USD
£2,760 GBP
View
B+
Retailer 13
-
$3,762 USD
View
Retailer 14
-
$4,520 USD
View
Price last confirmed 9 days ago
B
Retailer 15
-
$4,540 USD
View
B+
Retailer 16
-
$4,679 USD
£3,684 GBP
View
Retailer 17
-
$4,898 USD
A$7,535 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$5,081 USD
View
B
Retailer 19
-
$5,118 USD
SGD 6,916 SGD
View
B
Retailer 20
-
$5,556 USD
View
Most Expensive
B
Brilliant Earth
14438044A · Oct 29
$9,750 USD
View
20 more retailers have this diamond
Prices start from $1,530 USDSave up to $8,220 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
3.80ct Cushion
$1,530 USD