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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 $768 USD
HK$6,000 HKD
As of October 30, 2026
Save $3,182 USD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,950 USD 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 $768 to $3,950, a $3,182 spread on the same certified stone. Brilliant Earth lists it at $3,950. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,950 USD|Low: $640 USD|High: $3,950 USD|Avg: $1,663 USD
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 31, 2026
Retailer 6$640 USD
Retailer 13$745 USD
Retailer 3$768 USD
Retailer 10$840 USD
Retailer 7$1,025 USD
Retailer 5$1,062 USD
Retailer 14$1,091 USD
Retailer 9$1,100 USD
Retailer 2$1,583 USD
Retailer 4$1,999 USD
Retailer 8$2,210 USD
Retailer 12$2,950 USD
Retailer 11$3,092 USD
Brilliant Earth$3,950 USD

42 data points across 14 retailers

14 retailers$768 USD to $3,950 USD

Retailer 1
-
$745 USD
£587 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$768 USD
HK$6,000 HKD
View
A
Retailer 3
-
$840 USD
View
A
Retailer 4
-
$1,025 USD
€976 EUR
View
A
Retailer 5
-
$1,062 USD
View
B+
Retailer 6
-
$1,091 USD
View
A
Retailer 7
-
$1,100 USD
£866 GBP
View
B+
Retailer 8
-
$1,583 USD
View
B+
Retailer 9
-
$1,999 USD
View
B+
Retailer 10
-
$2,210 USD
SGD 2,986 SGD
View
B
Retailer 11
-
$2,743 USD
£2,160 GBP
View
Retailer 12
-
$2,950 USD
View
Price last confirmed 9 days ago
Retailer 13
-
$3,092 USD
£2,435 GBP
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
17309863A · Oct 29
$3,950 USD
View
13 more retailers have this diamond
Prices start from $768 USDSave up to $3,182 USD

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
$768 USD