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Cushion|Lab Grown|IGI

5.03ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG781636293

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG781636293

Diamond specifications and retailer prices

From $777 USD
£612 GBP
As of October 27, 2026
Save $3,143 USD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,920 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG781636293 or 781636293. Listed at 13 retailers as of October 27, 2026, with prices from $777 to $3,920, a $3,143 spread on the same certified stone. Brilliant Earth lists it at $3,920. 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

5.03
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781636293
Dimensions11.97 × 8.59 × 5.56 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.59 mm5.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781636293
Side View
Table 63.0%Crown 34.1°Girdle: MED-STKPavilion 30.3°Culet: NoneDepth 64.7%

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: $3,920 USD|Low: $775 USD|High: $3,920 USD|Avg: $1,643 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
November 2, 2026
Retailer 9$777 USD
Retailer 8$794 USD
Retailer 3$870 USD
Retailer 6$1,050 USD
Retailer 5$1,092 USD
Retailer 13$1,137 USD
Retailer 10$1,152 USD
Retailer 4$1,329 USD
Retailer 2$1,635 USD
Retailer 7$2,280 USD
Retailer 12$2,865 USD
Retailer 11$3,221 USD
Brilliant Earth$3,920 USD

37 data points across 13 retailers

13 retailers$777 USD to $3,920 USD

A
Cheapest Retailer
-
$777 USD
£612 GBP
A
Retailer 2
-
$794 USD
HK$6,200 HKD
View
Retailer 3
-
$870 USD
View
Price last confirmed 5 days ago
A
Retailer 4
-
$1,050 USD
€1,000 EUR
View
Retailer 5
-
$1,092 USD
View
Price last confirmed 7 days ago
Retailer 6
-
$1,137 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$1,152 USD
£907 GBP
View
B+
Retailer 8
-
$1,329 USD
View
B+
Retailer 9
-
$1,635 USD
View
B+
Retailer 10
-
$2,280 USD
SGD 3,081 SGD
View
Retailer 11
-
$2,865 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$3,221 USD
£2,536 GBP
View
Most Expensive
B
Brilliant Earth
18490569A · Nov 2
$3,920 USD
View
12 more retailers have this diamond
Prices start from $777 USDSave up to $3,143 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
5.03ct Cushion
$777 USD