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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 $1,363 NZD
HK$6,000 HKD
As of October 30, 2026
Save $5,646 NZD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,008 NZD 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 14 retailers as of October 29, 2026, with prices from $1,363 to $7,008, a $5,646 spread on the same certified stone. Brilliant Earth lists it at $7,008. 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

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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 30
Current: $7,008 NZD|Low: $1,136 NZD|High: $7,008 NZD|Avg: $2,950 NZD
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$1,136 NZD
Retailer 12$1,322 NZD
Retailer 3$1,363 NZD
Retailer 9$1,490 NZD
Retailer 2$1,818 NZD
Retailer 5$1,884 NZD
Retailer 14$1,936 NZD
Retailer 8$1,951 NZD
Retailer 13$2,846 NZD
Retailer 4$3,547 NZD
Retailer 7$3,921 NZD
Retailer 11$5,234 NZD
Retailer 10$5,487 NZD
Brilliant Earth$7,008 NZD

42 data points across 14 retailers

14 retailers$1,363 NZD to $7,008 NZD

Retailer 1
-
$1,322 NZD
£587 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$1,363 NZD
HK$6,000 HKD
View
A
Retailer 3
-
$1,490 NZD
$840 USD
View
A
Retailer 4
-
$1,818 NZD
€976 EUR
View
A
Retailer 5
-
$1,884 NZD
$1,062 USD
View
B+
Retailer 6
-
$1,936 NZD
$1,091 USD
View
A
Retailer 7
-
$1,951 NZD
£866 GBP
View
B+
Retailer 8
-
$2,846 NZD
$1,604 USD
View
B+
Retailer 9
-
$3,547 NZD
$1,999 USD
View
B+
Retailer 10
-
$3,921 NZD
SGD 2,986 SGD
View
B
Retailer 11
-
$4,866 NZD
£2,160 GBP
View
Retailer 12
-
$5,234 NZD
$2,950 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$5,487 NZD
£2,435 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17309863A · Oct 29
$7,008 NZD
$3,950 USD
View
13 more retailers have this diamond
Prices start from $1,363 NZDSave up to $5,646 NZD

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
$1,363 NZD