Radiant|Lab Grown|IGI

5.06ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG826673845

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG826673845

Diamond specifications and retailer prices

From $832 USD
HK$6,500 HKD
As of October 30, 2026
Save $3,228 USD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,060 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.06ct lab-grown radiant diamond

This 5.06ct lab-grown radiant 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 LG826673845 or 826673845. Listed at 10 retailers as of October 30, 2026, with prices from $832 to $4,060, a $3,228 spread on the same certified stone. Brilliant Earth lists it at $4,060. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.4°
Pavilion angle32.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826673845
Dimensions11.98 × 8.54 × 5.43 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm8.54 mm5.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826673845
Side View
Table 67.0%Crown 46.4°Girdle: Slightly ThickPavilion 32.2°Culet: NoneDepth 63.6%

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 30
Current: $4,060 USD|Low: $832 USD|High: $4,750 USD|Avg: $2,214 USD|-14.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8$832 USD
Retailer 4$1,107 USD
Retailer 7$1,171 USD
Retailer 2$1,189 USD
Retailer 6$1,660 USD
Retailer 9$2,060 USD
Retailer 10$2,413 USD
Retailer 5$2,955 USD
Retailer 3$3,321 USD
Brilliant Earth$4,060 USD

39 data points across 10 retailers

10 retailers$832 USD to $4,060 USD

A
Cheapest Retailer
-
$832 USD
HK$6,500 HKD
Retailer 2
-
$1,107 USD
€1,054 EUR
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$1,171 USD
View
A
Retailer 4
-
$1,189 USD
£937 GBP
View
B
Retailer 5
-
$1,660 USD
View
B
Retailer 6
-
$2,060 USD
View
B
Retailer 7
-
$2,413 USD
SGD 3,261 SGD
View
B
Retailer 8
-
$2,955 USD
View
B
Retailer 9
-
$3,321 USD
£2,615 GBP
View
Most Expensive
B
Brilliant Earth
21013578A · Oct 30
$4,060 USD
View
9 more retailers have this diamond
Prices start from $832 USDSave up to $3,228 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
5.06ct Radiant
$832 USD