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Cushion|Lab Grown|IGI

5.06ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG819602558

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819602558

Diamond specifications and retailer prices

From $987 SGD
£608 GBP
As of October 27, 2026
Save $4,127 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,114 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.06ct lab-grown cushion diamond

This 5.06ct 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 LG819602558 or 819602558. Listed at 12 retailers as of October 27, 2026, with prices from $987 to $5,114, a $4,127 spread on the same certified stone. Brilliant Earth lists it at $5,114. 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

5.06
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602558
Dimensions11.97 × 8.58 × 5.57 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.58 mm5.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819602558
Side View
Table 65.0%Crown 34.3°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 64.9%

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: $5,114 SGD|Low: $849 SGD|High: $5,126 SGD|Avg: $2,250 SGD|-0.2%
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
October 31, 2026
Retailer 5$849 SGD
Retailer 9$987 SGD
Retailer 8$998 SGD
Retailer 3$1,087 SGD
Retailer 2$1,332 SGD
Retailer 13$1,446 SGD
Retailer 10$1,462 SGD
Retailer 7$2,103 SGD
Retailer 4$2,622 SGD
Retailer 6$2,892 SGD
Retailer 12$3,816 SGD
Retailer 11$4,104 SGD
Brilliant Earth$5,114 SGD

42 data points across 13 retailers

12 retailers$987 SGD to $5,114 SGD

A
Cheapest Retailer
-
$987 SGD
£608 GBP
A
Retailer 2
-
$998 SGD
HK$6,100 HKD
View
A
Retailer 3
-
$1,087 SGD
$850 USD
View
A
Retailer 4
-
$1,332 SGD
€992 EUR
View
B+
Retailer 5
-
$1,446 SGD
$1,131 USD
View
A
Retailer 6
-
$1,462 SGD
£900 GBP
View
B+
Retailer 7
-
$2,103 SGD
$1,645 USD
View
B+
Retailer 8
-
$2,622 SGD
$2,051 USD
View
B+
Retailer 9
-
$2,892 SGD
View
Retailer 10
-
$3,816 SGD
$2,985 USD
View
Price last confirmed 10 days ago
Retailer 11
-
$4,104 SGD
£2,528 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20860613A · Oct 29
$5,114 SGD
$4,000 USD
View
11 more retailers have this diamond
Prices start from $987 SGDSave up to $4,127 SGD

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
5.06ct Cushion
$987 SGD