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Radiant|Lab Grown|IGI

0.83ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG728569738

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

Certificate IGI LG728569738

Diamond specifications and retailer prices

From €114 EUR
$127 USD
As of October 30, 2026
Save €366 EUR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €480 EUR at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 0.83ct lab-grown radiant diamond

This 0.83ct 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 LG728569738 or 728569738. Listed at 12 retailers as of October 30, 2026, with prices from €114 to €480, a €366 spread on the same certified stone. Friendly Diamonds lists it at €480. 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

0.83
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728569738
Dimensions6.54 × 4.55 × 3.12 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm4.55 mm0.83 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728569738
Side View
Table 70.0%Crown 46.6°Girdle: ThickPavilion 35.3°Culet: NoneDepth 68.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €480 EUR|Low: €114 EUR|High: €609 EUR|Avg: €299 EUR
Friendly Diamonds
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
Retailer 16
November 1, 2026
Retailer 10€114 EUR
Retailer 5€132 EUR
Retailer 12€141 EUR
Retailer 4€160 EUR
Retailer 11€205 EUR
Retailer 15€206 EUR
Retailer 2€236 EUR
Retailer 9€253 EUR
Retailer 16€270 EUR
Retailer 3€291 EUR
Retailer 7€344 EUR
Retailer 13€356 EUR
Retailer 14€454 EUR
Friendly Diamonds€480 EUR
Retailer 6€562 EUR
Retailer 8€609 EUR

5 data points across 16 retailers

12 retailers€114 EUR to €480 EUR

A
Cheapest Retailer
-
€114 EUR
$127 USD
A
Retailer 2
-
€132 EUR
$148 USD
View
A
Retailer 3
-
€141 EUR
$158 USD
View
A
Retailer 4
-
€160 EUR
HK$1,400 HKD
View
A
Retailer 5
-
€205 EUR
£180 GBP
View
A
Retailer 6
-
€236 EUR
£207 GBP
View
A
Retailer 7
-
€253 EUR
View
B+
Retailer 8
-
€270 EUR
$302 USD
View
B+
Retailer 9
-
€291 EUR
£256 GBP
View
B+
Retailer 10
-
€356 EUR
$398 USD
View
B
Retailer 11
-
€454 EUR
$507 USD
View
Most Expensive
B
Friendly Diamonds
6560051 · Oct 31
€480 EUR
$536 USD
View
11 more retailers have this diamond
Prices start from €114 EURSave up to €366 EUR

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
0.83ct Radiant
€114 EUR