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Cushion|Lab Grown|IGI

5.21ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG850604944

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG850604944

Diamond specifications and retailer prices

From $1,704 USD
As of October 29, 2026
Save $10,616 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $12,320 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.21ct lab-grown cushion diamond

This 5.21ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG850604944 or 850604944. Listed at 12 retailers as of October 29, 2026, with prices from $1,704 to $12,320, a $10,616 spread on the same certified stone. Brilliant Earth lists it at $12,320. 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

5.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850604944
Dimensions13.26 × 8.80 × 6.01 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.26 mm8.80 mm5.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850604944
Side View
Table 48.0%Crown 34.5°Girdle: STK-THKPavilion 36.5°Culet: LargeDepth 68.3%

Caratlytics Score

How it works →
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: $12,320 USD|Low: $1,704 USD|High: $12,320 USD|Avg: $3,919 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
October 30, 2026
Retailer 6$1,704 USD
Retailer 9$1,935 USD
Retailer 12$2,035 USD
Retailer 5$2,494 USD
Retailer 4$2,525 USD
Retailer 8$2,837 USD
Retailer 10$2,867 USD
Retailer 7$3,587 USD
Retailer 11$4,535 USD
Retailer 2$5,161 USD
Retailer 3$5,903 USD
Brilliant Earth$12,320 USD

5 data points across 12 retailers

12 retailers$1,704 USD to $12,320 USD

A
Cheapest Retailer
-
$1,704 USD
Final sale: no returns
A
Retailer 2
-
$1,935 USD
View
A
Retailer 3
-
$2,035 USD
HK$15,900 HKD
View
A
Retailer 4
-
$2,494 USD
£1,964 GBP
View
B+
Retailer 5
-
$2,525 USD
View
B+
Retailer 6
-
$2,837 USD
€2,702 EUR
View
B+
Retailer 7
-
$2,867 USD
View
B+
Retailer 8
-
$3,587 USD
ZAR 57,953 ZAR
View
B
Retailer 9
-
$4,535 USD
View
B
Retailer 10
-
$5,161 USD
View
B
Retailer 11
-
$5,903 USD
SGD 7,977 SGD
View
Most Expensive
B
Brilliant Earth
22337204A · Oct 30
$12,320 USD
View
11 more retailers have this diamond
Prices start from $1,704 USDSave up to $10,616 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
5.21ct Cushion
$1,704 USD