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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 $2,162 AUD
$1,519 USD
As of October 29, 2026
Save $5,710 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,873 AUD at Taylor and Hart · As of October 30, 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 29, 2026, with prices from $2,162 to $7,873, a $5,710 spread on the same certified stone. Taylor and Hart lists it at $7,873. 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
Colour
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: $3,159 AUD|Low: $1,512 AUD|High: $8,116 AUD|Avg: $4,077 AUD|+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 30, 2026
Retailer 5$1,563 AUD
Retailer 4$2,162 AUD
Retailer 13$2,240 AUD
Retailer 12$2,484 AUD
Retailer 3$2,837 AUD
Retailer 1$3,159 AUD
Retailer 10$3,539 AUD
Retailer 6$3,999 AUD
Retailer 9$4,097 AUD
Retailer 8$4,106 AUD
Retailer 2$4,586 AUD
Retailer 11$6,629 AUD
Retailer 7$7,234 AUD
Taylor and Hart$7,873 AUD

30 data points across 14 retailers

13 retailers$2,162 AUD to $7,873 AUD

A
Cheapest Retailer
-
$2,162 AUD
$1,519 USD
Final sale: no returns
Retailer 2
-
$2,240 AUD
$1,574 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$2,484 AUD
$1,745 USD
View
B+
Retailer 4
-
$2,837 AUD
$1,993 USD
View
B+
Retailer 5
-
$3,159 AUD
£1,748 GBP
View
B+
Retailer 6
-
$3,539 AUD
$2,486 USD
View
B+
Retailer 7
-
$3,999 AUD
€2,676 EUR
View
B+
Retailer 8
-
$4,097 AUD
$2,878 USD
View
B+
Retailer 9
-
$4,106 AUD
View
B
Retailer 10
-
$4,586 AUD
$3,222 USD
View
B
Retailer 11
-
$6,629 AUD
$4,657 USD
View
B
Retailer 12
-
$7,234 AUD
£4,002 GBP
View
Most Expensive
B
Taylor and Hart
GLHCANQ · Oct 30
$7,873 AUD
$5,531 USD
View
12 more retailers have this diamond
Prices start from $2,162 AUDSave up to $5,710 AUD

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
$2,162 AUD