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Cushion|Lab Grown|IGI

6.00ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG805611437

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG805611437

Diamond specifications and retailer prices

From $8,639 USD
As of October 30, 2026
Save $22,429 USD (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $31,068 USD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 6ct lab-grown cushion diamond

This 6ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG805611437 or 805611437. Listed at 21 retailers as of October 30, 2026, with prices from $8,639 to $31,068, a $22,429 spread on the same certified stone. Taylor and Hart lists it at $31,068. 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

6.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805611437
Dimensions12.94 × 9.53 × 5.95 mm
L/W Ratio1.36
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
12.94 mm9.53 mm6.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805611437
Side View
Table 72.0%Crown 34.8°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 62.4%

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 30
Current: $20,110 USD|Low: $9,383 USD|High: $22,301 USD|Avg: $14,344 USD|-9.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 9$9,383 USD
Retailer 4$9,635 USD
Retailer 12$9,650 USD
Retailer 6$9,743 USD
Retailer 3$9,881 USD
Retailer 2$10,895 USD
Retailer 7$11,724 USD
Retailer 10$16,266 USD
Retailer 11$17,789 USD
Retailer 13$18,489 USD
Retailer 8$18,805 USD
Retailer 1$20,110 USD
Retailer 5$22,301 USD

27 data points across 13 retailers

21 retailers$8,639 USD to $31,068 USD

A
Cheapest Retailer
-
$8,639 USD
A
Retailer 2
-
$9,383 USD
View
Final sale: no returns
A
Retailer 3
-
$9,635 USD
View
A
Retailer 4
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$9,650 USD
View
Retailer 5
-
$9,718 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$9,743 USD
£7,671 GBP
View
A
Retailer 7
-
$9,881 USD
View
Retailer 8
-
$10,895 USD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$11,724 USD
£9,231 GBP
View
A
Retailer 10
-
$13,929 USD
£10,968 GBP
View
A
Retailer 11
-
$16,266 USD
€15,491 EUR
View
A
Retailer 12
-
$17,789 USD
£14,007 GBP
View
Retailer 13
-
$18,489 USD
A$28,445 AUD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
$18,740 USD
View
B+
Retailer 15
-
$18,805 USD
ZAR 303,800 ZAR
View
B+
Retailer 16
-
$20,110 USD
View
Retailer 17
-
$22,301 USD
A$34,309 AUD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
$23,458 USD
View
B
Retailer 19
-
$24,887 USD
View
B+
Retailer 20
-
$27,065 USD
View
Most Expensive
B
Taylor and Hart
5KX7HSF · Oct 30
$31,068 USD
View
20 more retailers have this diamond
Prices start from $8,639 USDSave up to $22,429 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
6.00ct Cushion
$8,639 USD