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 €341 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €456 EUR at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 10 retailers as of October 28, 2026, with prices from €114 to €456, a €341 spread on the same certified stone. NZ Jewellers lists it at €456. 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
Colour
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: €456 EUR|Low: €114 EUR|High: €611 EUR|Avg: €299 EUR
NZ Jewellers
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 30, 2026
Retailer 2€114 EUR
Retailer 3€133 EUR
Retailer 10€142 EUR
Retailer 15€161 EUR
Retailer 8€206 EUR
Retailer 12€207 EUR
Retailer 4€218 EUR
Retailer 9€237 EUR
Retailer 13€271 EUR
Retailer 14€292 EUR
Retailer 6€345 EUR
Retailer 11€358 EUR
NZ Jewellers€456 EUR
Retailer 5€564 EUR
Retailer 7€611 EUR

3 data points across 15 retailers

10 retailers€114 EUR to €456 EUR

A
Cheapest Retailer
-
€114 EUR
$127 USD
A
Retailer 2
-
€133 EUR
$148 USD
View
A
Retailer 3
-
€142 EUR
$158 USD
View
A
Retailer 4
-
€161 EUR
HK$1,400 HKD
View
A
Retailer 5
-
€206 EUR
£180 GBP
View
A
Retailer 6
-
€237 EUR
£207 GBP
View
B+
Retailer 7
-
€271 EUR
$302 USD
View
B+
Retailer 8
-
€292 EUR
£256 GBP
View
B+
Retailer 9
-
€358 EUR
$398 USD
View
Most Expensive
B
NZ Jewellers
509d9d84-cbf0-49ca-8b63-3265d0f492a0 · Oct 28
€456 EUR
$507 USD
View
9 more retailers have this diamond
Prices start from €114 EURSave up to €341 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