Radiant|Lab Grown|IGI

0.80ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG651433587

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

Certificate IGI LG651433587

Diamond specifications and retailer prices

From $143 USD
As of October 28, 2026
Save $1,145 USD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,288 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.8ct lab-grown radiant diamond

This 0.8ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG651433587 or 651433587. Listed at 10 retailers as of October 28, 2026, with prices from $143 to $1,288, a $1,145 spread on the same certified stone. MOH London lists it at $1,288. 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

0.80
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651433587
Dimensions6.62 × 4.55 × 3.00 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.62 mm4.55 mm0.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651433587
Side View
Table 66.0%Crown 40.6°Girdle: STK-THKPavilion 34.2°Culet: NoneDepth 65.9%

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 28
Current: $1,288 USD|Low: $143 USD|High: $1,288 USD|Avg: $370 USD
MOH London
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
Retailer 15
October 29, 2026
Retailer 3$143 USD
Retailer 8$163 USD
Retailer 15$179 USD
Retailer 9$223 USD
Retailer 12$225 USD
Retailer 4$234 USD
Retailer 13$295 USD
Retailer 2$318 USD
Retailer 14$334 USD
Retailer 6$370 USD
Retailer 10$393 USD
Retailer 11$493 USD
Retailer 5$611 USD
Retailer 7$660 USD
MOH London$1,288 USD

2 data points across 15 retailers

10 retailers$143 USD to $1,288 USD

A
Cheapest Retailer
-
$143 USD
Retailer 2
-
$163 USD
View
A
Retailer 3
-
$179 USD
HK$1,400 HKD
View
A
Retailer 4
-
$223 USD
£176 GBP
View
B+
Retailer 5
-
$295 USD
View
B+
Retailer 6
-
$318 USD
£250 GBP
View
B+
Retailer 7
-
$334 USD
£263 GBP
View
B+
Retailer 8
-
$393 USD
View
B
Retailer 9
-
$493 USD
View
Most Expensive
MOH London
LG651433587 · Oct 29
$1,288 USD
£1,014 GBP
View
9 more retailers have this diamond
Prices start from $143 USDSave up to $1,145 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
0.80ct Radiant
$143 USD