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Cushion|Lab Grown|IGI

3.85ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG824613822

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG824613822

Diamond specifications and retailer prices

From $666 USD
HK$5,200 HKD
As of November 1, 2026
Save $1,639 USD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,320 USD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 3.85ct lab-grown cushion diamond

This 3.85ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG824613822 or 824613822. Listed at 13 retailers as of October 28, 2026, with a 246% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.85
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG824613822
Dimensions10.94 × 7.76 × 5.25 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.94 mm7.76 mm3.85 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG824613822
Side View
Table 63.0%Crown 34.9°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 67.7%

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: Nov 1
Current: $4,320 USD|Low: $564 USD|High: $4,320 USD|Avg: $1,625 USD
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 31, 2026
Retailer 5$564 USD
Retailer 3$665 USD
Retailer 10$666 USD
Retailer 11$765 USD
Retailer 2$890 USD
Retailer 4$973 USD
Retailer 9$1,249 USD
Retailer 13$1,346 USD
Retailer 8$1,440 USD
Retailer 7$1,937 USD
Retailer 6$2,037 USD
Retailer 14$2,305 USD
Retailer 12$2,615 USD
Brilliant Earth$4,320 USD

30 data points across 14 retailers

13 retailers$666 USD to $2,305 USD

Retailer 1
-
$665 USD
£524 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
$666 USD
HK$5,200 HKD
View
Retailer 3
-
$765 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$890 USD
€848 EUR
View
B+
Retailer 5
-
$973 USD
View
A
Retailer 6
-
$1,249 USD
View
Retailer 7
-
$1,346 USD
ZAR 21,747 ZAR
View
Price last confirmed 9 days ago
A
Retailer 8
-
$1,440 USD
View
A
Retailer 9
-
$1,937 USD
SGD 2,617 SGD
View
B+
Retailer 10
-
$2,037 USD
View
B+
Retailer 11
-
$2,305 USD
View
Retailer 12
-
$2,615 USD
£2,059 GBP
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
21139023A · Sep 23
$4,320 USD
View
Price last confirmed 39 days ago
12 more retailers have this diamond
Prices start from $666 USDSave up to $1,639 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
3.85ct Cushion
$666 USD