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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 $264 NZD
$148 USD
As of October 28, 2026
Save $639 NZD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $903 NZD 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 $264 to $903, a $639 spread on the same certified stone. NZ Jewellers lists it at $903. 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: $903 NZD|Low: $264 NZD|High: $1,211 NZD|Avg: $604 NZD
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$264 NZD
Retailer 7$281 NZD
Retailer 13$319 NZD
Retailer 8$409 NZD
Retailer 10$410 NZD
Retailer 3$432 NZD
Retailer 2$468 NZD
Retailer 11$538 NZD
Retailer 12$578 NZD
Retailer 5$684 NZD
Retailer 9$709 NZD
NZ Jewellers$903 NZD
Retailer 4$1,119 NZD
Retailer 6$1,211 NZD

2 data points across 14 retailers

9 retailers$264 NZD to $903 NZD

A
Cheapest Retailer
-
$264 NZD
$148 USD
A
Retailer 2
-
$281 NZD
$158 USD
View
A
Retailer 3
-
$319 NZD
HK$1,400 HKD
View
A
Retailer 4
-
$409 NZD
£181 GBP
View
A
Retailer 5
-
$468 NZD
£207 GBP
View
B+
Retailer 6
-
$538 NZD
$302 USD
View
B+
Retailer 7
-
$578 NZD
£256 GBP
View
B+
Retailer 8
-
$709 NZD
$398 USD
View
Most Expensive
B
NZ Jewellers
509d9d84-cbf0-49ca-8b63-3265d0f492a0 · Oct 28
$903 NZD
$507 USD
View
8 more retailers have this diamond
Prices start from $264 NZDSave up to $639 NZD

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
$264 NZD