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Cushion|Lab Grown|IGI

5.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG781635077

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

Certificate IGI LG781635077

Diamond specifications and retailer prices

From $911 AUD
$640 USD
As of October 27, 2026
Save $4,726 AUD (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,637 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.01ct lab-grown cushion diamond

This 5.01ct 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 LG781635077 or 781635077. Listed at 14 retailers as of October 27, 2026, with prices from $911 to $5,637, a $4,726 spread on the same certified stone. Brilliant Earth lists it at $5,637. 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

5.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781635077
Dimensions9.98 × 9.50 × 6.39 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.98 mm9.50 mm5.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781635077
Side View
Table 58.0%Crown 36.4°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 67.3%

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 27
Current: $5,637 AUD|Low: $911 AUD|High: $5,637 AUD|Avg: $2,389 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 6$911 AUD
Retailer 9$1,061 AUD
Retailer 7$1,093 AUD
Retailer 11$1,196 AUD
Retailer 2$1,460 AUD
Retailer 5$1,513 AUD
Retailer 3$1,556 AUD
Retailer 10$1,568 AUD
Retailer 14$2,287 AUD
Retailer 4$2,857 AUD
Retailer 8$3,154 AUD
Retailer 12$4,206 AUD
Retailer 13$4,411 AUD
Brilliant Earth$5,637 AUD

38 data points across 14 retailers

14 retailers$911 AUD to $5,637 AUD

A
Cheapest Retailer
-
$911 AUD
$640 USD
Final sale: no returns
A
Retailer 2
-
$1,061 AUD
£587 GBP
View
A
Retailer 3
-
$1,093 AUD
HK$6,000 HKD
View
A
Retailer 4
-
$1,196 AUD
$840 USD
View
A
Retailer 5
-
$1,460 AUD
€977 EUR
View
A
Retailer 6
-
$1,513 AUD
$1,063 USD
View
B+
Retailer 7
-
$1,556 AUD
$1,093 USD
View
A
Retailer 8
-
$1,568 AUD
£868 GBP
View
B+
Retailer 9
-
$2,287 AUD
$1,607 USD
View
B+
Retailer 10
-
$2,857 AUD
$2,007 USD
View
B+
Retailer 11
-
$3,154 AUD
SGD 2,994 SGD
View
Retailer 12
-
$4,206 AUD
$2,955 USD
View
Price last confirmed 8 days ago
Retailer 13
-
$4,411 AUD
£2,440 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18472484A · Oct 29
$5,637 AUD
$3,960 USD
View
13 more retailers have this diamond
Prices start from $911 AUDSave up to $4,726 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
5.01ct Cushion
$911 AUD