CaratHunter
Plans
Cushion|Lab Grown|IGI

5.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG817634371

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817634371

Diamond specifications and retailer prices

From $765 USD
£602 GBP
As of October 27, 2026
Save $3,195 USD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,960 USD at Brilliant Earth · As of October 30, 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 LG817634371 or 817634371. Listed at 13 retailers as of October 27, 2026, with prices from $765 to $3,960, a $3,195 spread on the same certified stone. Brilliant Earth lists it at $3,960. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817634371
Dimensions12.21 × 8.67 × 5.46 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.21 mm8.67 mm5.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817634371
Side View
Table 66.0%Crown 36.4°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 63.0%

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 27
Current: $3,960 USD|Low: $658 USD|High: $7,480 USD|Avg: $1,910 USD|-47.1%
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$658 USD
Retailer 10$765 USD
Retailer 9$781 USD
Retailer 3$840 USD
Retailer 8$1,053 USD
Retailer 5$1,080 USD
Retailer 14$1,119 USD
Retailer 11$1,132 USD
Retailer 7$1,628 USD
Retailer 4$2,013 USD
Retailer 2$2,244 USD
Retailer 13$2,960 USD
Retailer 12$3,167 USD
Brilliant Earth$3,960 USD

42 data points across 14 retailers

13 retailers$765 USD to $3,960 USD

A
Cheapest Retailer
-
$765 USD
£602 GBP
A
Retailer 2
-
$781 USD
HK$6,100 HKD
View
A
Retailer 3
-
$840 USD
View
A
Retailer 4
-
$1,053 USD
€1,003 EUR
View
A
Retailer 5
-
$1,080 USD
View
B+
Retailer 6
-
$1,119 USD
View
A
Retailer 7
-
$1,132 USD
£891 GBP
View
B+
Retailer 8
-
$1,628 USD
View
B+
Retailer 9
-
$2,013 USD
View
B+
Retailer 10
-
$2,244 USD
SGD 3,033 SGD
View
Retailer 11
-
$2,960 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$3,167 USD
£2,494 GBP
View
Most Expensive
B
Brilliant Earth
20782512A · Oct 30
$3,960 USD
View
12 more retailers have this diamond
Prices start from $765 USDSave up to $3,195 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
5.01ct Cushion
$765 USD