Cushion|Lab Grown|IGI

6.21ct D IF Cushion Lab Grown Diamond

VG • D/IF • IGI LG835695999

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG835695999

Diamond specifications and retailer prices

From $17,793 USD
As of October 26, 2026
Save $36,855 USD (67%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $54,648 USD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 6.21ct lab-grown cushion diamond

This 6.21ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG835695999 or 835695999. Listed at 11 retailers as of October 26, 2026, with prices from $17,793 to $54,648, a $36,855 spread on the same certified stone. Wholesale Diamonds Direct lists it at $54,648. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.21
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835695999
Dimensions10.70 × 10.58 × 6.99 mm
L/W Ratio1.01
Girdle conditionFaceted
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
10.70 mm10.58 mm6.21 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835695999
Side View
Table 63.0%Crown 39.8°Girdle: MED-THKPavilion 38°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $21,608 USD|Low: $17,793 USD|High: $54,648 USD|Avg: $32,780 USD|-2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
October 31, 2026
Retailer 9$17,793 USD
Retailer 1$21,608 USD
Retailer 7$24,076 USD
Retailer 2$26,150 USD
Retailer 5$30,904 USD
Retailer 4$33,473 USD
Retailer 8$35,362 USD
Retailer 3$37,870 USD
Retailer 6$48,094 USD
Wholesale Diamonds Direct$54,648 USD

8 data points across 10 retailers

11 retailers$17,793 USD to $54,648 USD

B+
Cheapest Retailer
-
$17,793 USD
B+
Retailer 2
-
$21,608 USD
£17,014 GBP
View
B+
Retailer 3
-
$24,076 USD
View
B+
Retailer 4
-
$26,150 USD
View
B
Retailer 5
-
$30,904 USD
£24,334 GBP
View
B
Retailer 6
-
$33,473 USD
€31,879 EUR
View
B
Retailer 7
-
$35,362 USD
View
B
Retailer 8
-
$36,635 USD
View
B
Retailer 9
-
$37,870 USD
ZAR 611,792 ZAR
View
B
Retailer 10
-
$48,094 USD
View
Most Expensive
B
Wholesale Diamonds Direct
584852956 · Oct 27
$54,648 USD
View
10 more retailers have this diamond
Prices start from $17,793 USDSave up to $36,855 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.

B+
6.21ct Cushion
$17,793 USD