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Cushion|Lab Grown|IGI

5.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG761511998

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG761511998

Diamond specifications and retailer prices

From $911 AUD
$640 USD
As of October 27, 2026
Save $4,711 AUD (84%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,622 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5ct lab-grown cushion diamond

This 5ct 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 LG761511998 or 761511998. Listed at 15 retailers as of October 27, 2026, with prices from $911 to $5,622, a $4,711 spread on the same certified stone. Brilliant Earth lists it at $5,622. 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

5.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle31.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761511998
Dimensions11.43 × 8.65 × 5.49 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.43 mm8.65 mm5.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761511998
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 31.3°Culet: NoneDepth 63.5%

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: $5,622 AUD|Low: $911 AUD|High: $5,622 AUD|Avg: $2,367 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 12$1,061 AUD
Retailer 3$1,093 AUD
Retailer 9$1,196 AUD
Retailer 2$1,459 AUD
Retailer 5$1,512 AUD
Retailer 14$1,553 AUD
Retailer 8$1,565 AUD
Retailer 13$2,283 AUD
Retailer 4$2,845 AUD
Retailer 7$3,145 AUD
Retailer 11$4,199 AUD
Retailer 10$4,402 AUD
Brilliant Earth$5,622 AUD

42 data points across 14 retailers

15 retailers$911 AUD to $5,622 AUD

A
Cheapest Retailer
-
$911 AUD
$640 USD
Final sale: no returns
Retailer 2
-
$1,061 AUD
£587 GBP
View
Price last confirmed 13 days ago
A
Retailer 3
-
$1,093 AUD
HK$6,000 HKD
View
A
Retailer 4
-
$1,196 AUD
$840 USD
View
A
Retailer 5
-
$1,459 AUD
€976 EUR
View
A
Retailer 6
-
$1,512 AUD
$1,062 USD
View
B+
Retailer 7
-
$1,553 AUD
$1,091 USD
View
A
Retailer 8
-
$1,565 AUD
£866 GBP
View
B+
Retailer 9
-
$2,283 AUD
$1,604 USD
View
B+
Retailer 10
-
$2,845 AUD
$1,999 USD
View
B+
Retailer 11
-
$3,145 AUD
SGD 2,986 SGD
View
B
Retailer 12
-
$3,904 AUD
£2,160 GBP
View
Retailer 13
-
$4,199 AUD
$2,950 USD
View
Price last confirmed 9 days ago
Retailer 14
-
$4,402 AUD
£2,435 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17309863A · Oct 29
$5,622 AUD
$3,950 USD
View
14 more retailers have this diamond
Prices start from $911 AUDSave up to $4,711 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
5.00ct Cushion
$911 AUD