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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 $982 SGD
HK$6,000 HKD
As of October 31, 2026
Save $4,068 SGD (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,050 SGD 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 $982 to $5,050, a $4,068 spread on the same certified stone. Brilliant Earth lists it at $5,050. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,050 SGD|Low: $818 SGD|High: $5,050 SGD|Avg: $2,128 SGD
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$818 SGD
Retailer 13$953 SGD
Retailer 3$982 SGD
Retailer 10$1,074 SGD
Retailer 7$1,310 SGD
Retailer 5$1,358 SGD
Retailer 14$1,395 SGD
Retailer 9$1,406 SGD
Retailer 2$2,024 SGD
Retailer 4$2,556 SGD
Retailer 8$2,825 SGD
Retailer 12$3,771 SGD
Retailer 11$3,953 SGD
Brilliant Earth$5,050 SGD

41 data points across 14 retailers

14 retailers$982 SGD to $5,050 SGD

Retailer 1
-
$953 SGD
£587 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$982 SGD
HK$6,000 HKD
View
A
Retailer 3
-
$1,074 SGD
$840 USD
View
A
Retailer 4
-
$1,310 SGD
€976 EUR
View
A
Retailer 5
-
$1,358 SGD
$1,062 USD
View
B+
Retailer 6
-
$1,395 SGD
$1,091 USD
View
A
Retailer 7
-
$1,406 SGD
£866 GBP
View
B+
Retailer 8
-
$2,024 SGD
$1,583 USD
View
B+
Retailer 9
-
$2,556 SGD
$1,999 USD
View
B+
Retailer 10
-
$2,825 SGD
View
B
Retailer 11
-
$3,506 SGD
£2,160 GBP
View
Retailer 12
-
$3,771 SGD
$2,950 USD
View
Price last confirmed 10 days ago
Retailer 13
-
$3,953 SGD
£2,435 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
17309863A · Oct 29
$5,050 SGD
$3,950 USD
View
13 more retailers have this diamond
Prices start from $982 SGDSave up to $4,068 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
5.00ct Cushion
$982 SGD