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Cushion|Lab Grown|IGI

6.05ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG751504551

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG751504551

Diamond specifications and retailer prices

From $1,519 USD
As of October 29, 2026
Save $4,012 USD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,531 USD at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 6.05ct lab-grown cushion diamond

This 6.05ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG751504551 or 751504551. Listed at 13 retailers as of October 27, 2026, with prices from $1,519 to $5,531, a $4,012 spread on the same certified stone. Taylor and Hart lists it at $5,531. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

6.05
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751504551
Dimensions13.76 × 9.60 × 6.01 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.76 mm9.60 mm6.05 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751504551
Side View
Table 62.0%Crown 40.4°Girdle: MED-THKPavilion 37.2°Culet: LargeDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,219 USD|Low: $1,062 USD|High: $5,702 USD|Avg: $2,865 USD|+1.6%
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
Taylor and Hart
October 29, 2026
Retailer 5$1,098 USD
Retailer 4$1,519 USD
Retailer 13$1,574 USD
Retailer 12$1,745 USD
Retailer 3$1,993 USD
Retailer 1$2,219 USD
Retailer 10$2,486 USD
Retailer 6$2,810 USD
Retailer 9$2,878 USD
Retailer 8$2,885 USD
Retailer 2$3,222 USD
Retailer 11$4,657 USD
Retailer 7$5,083 USD
Taylor and Hart$5,531 USD

29 data points across 14 retailers

13 retailers$1,519 USD to $5,531 USD

A
Cheapest Retailer
-
$1,519 USD
Final sale: no returns
A
Retailer 2
-
$1,574 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,745 USD
View
B+
Retailer 4
-
$1,993 USD
View
B+
Retailer 5
-
$2,219 USD
£1,748 GBP
View
B+
Retailer 6
-
$2,486 USD
View
B+
Retailer 7
-
$2,810 USD
€2,676 EUR
View
B+
Retailer 8
-
$2,878 USD
View
B+
Retailer 9
-
$2,885 USD
A$4,438 AUD
View
B
Retailer 10
-
$3,222 USD
View
B
Retailer 11
-
$4,657 USD
View
B
Retailer 12
-
$5,083 USD
£4,002 GBP
View
Most Expensive
B
Taylor and Hart
GLHCANQ · Oct 27
$5,531 USD
View
12 more retailers have this diamond
Prices start from $1,519 USDSave up to $4,012 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
6.05ct Cushion
$1,519 USD