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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 $211 AUD
$148 USD
As of October 28, 2026
Save $511 AUD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $722 AUD 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 9 retailers as of October 28, 2026, with prices from $211 to $722, a $511 spread on the same certified stone. NZ Jewellers lists it at $722. 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 28
Current: $722 AUD|Low: $211 AUD|High: $968 AUD|Avg: $483 AUD
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
October 29, 2026
Retailer 14$211 AUD
Retailer 7$225 AUD
Retailer 13$255 AUD
Retailer 8$327 AUD
Retailer 10$327 AUD
Retailer 3$345 AUD
Retailer 2$374 AUD
Retailer 11$430 AUD
Retailer 12$462 AUD
Retailer 5$547 AUD
Retailer 9$567 AUD
NZ Jewellers$722 AUD
Retailer 4$894 AUD
Retailer 6$968 AUD

2 data points across 14 retailers

9 retailers$211 AUD to $722 AUD

A
Cheapest Retailer
-
$211 AUD
$148 USD
Retailer 2
-
$225 AUD
$158 USD
View
A
Retailer 3
-
$255 AUD
HK$1,400 HKD
View
A
Retailer 4
-
$327 AUD
£181 GBP
View
A
Retailer 5
-
$374 AUD
£207 GBP
View
B+
Retailer 6
-
$430 AUD
$302 USD
View
B+
Retailer 7
-
$462 AUD
£256 GBP
View
B+
Retailer 8
-
$567 AUD
$398 USD
View
Most Expensive
B
NZ Jewellers
509d9d84-cbf0-49ca-8b63-3265d0f492a0 · Oct 28
$722 AUD
$507 USD
View
8 more retailers have this diamond
Prices start from $211 AUDSave up to $511 AUD

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
$211 AUD