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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 $1,322 NZD
£587 GBP
As of October 27, 2026
Save $5,704 NZD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,026 NZD 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 13 retailers as of October 27, 2026, with prices from $1,322 to $7,026, a $5,704 spread on the same certified stone. Brilliant Earth lists it at $7,026. 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

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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: $7,026 NZD|Low: $1,136 NZD|High: $7,026 NZD|Avg: $2,978 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 9$1,322 NZD
Retailer 7$1,363 NZD
Retailer 11$1,490 NZD
Retailer 2$1,820 NZD
Retailer 5$1,886 NZD
Retailer 3$1,939 NZD
Retailer 10$1,955 NZD
Retailer 14$2,851 NZD
Retailer 4$3,561 NZD
Retailer 8$3,931 NZD
Retailer 12$5,243 NZD
Retailer 13$5,498 NZD
Brilliant Earth$7,026 NZD

38 data points across 14 retailers

13 retailers$1,322 NZD to $7,026 NZD

A
Cheapest Retailer
-
$1,322 NZD
£587 GBP
A
Retailer 2
-
$1,363 NZD
HK$6,000 HKD
View
A
Retailer 3
-
$1,490 NZD
$840 USD
View
A
Retailer 4
-
$1,820 NZD
€977 EUR
View
A
Retailer 5
-
$1,886 NZD
$1,063 USD
View
B+
Retailer 6
-
$1,939 NZD
$1,093 USD
View
A
Retailer 7
-
$1,955 NZD
£868 GBP
View
B+
Retailer 8
-
$2,851 NZD
$1,607 USD
View
B+
Retailer 9
-
$3,561 NZD
$2,007 USD
View
B+
Retailer 10
-
$3,931 NZD
SGD 2,994 SGD
View
Retailer 11
-
$5,243 NZD
$2,955 USD
View
Price last confirmed 9 days ago
Retailer 12
-
$5,498 NZD
£2,440 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
18472484A · Oct 29
$7,026 NZD
$3,960 USD
View
12 more retailers have this diamond
Prices start from $1,322 NZDSave up to $5,704 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
5.01ct Cushion
$1,322 NZD