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Radiant|Lab Grown|IGI

0.85ct E SI1 Radiant Lab Grown Diamond

VG • E/SI1 • IGI LG653437892

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

Certificate IGI LG653437892

Diamond specifications and retailer prices

From $342 NZD
HK$1,500 HKD
As of October 29, 2026
Save $836 NZD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,178 NZD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 0.85ct lab-grown radiant diamond

This 0.85ct lab-grown radiant sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG653437892 or 653437892. Listed at 6 retailers as of October 29, 2026, with prices from $342 to $1,178, a $836 spread on the same certified stone. Diamond Quarter lists it at $1,178. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.85
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653437892
Dimensions6.64 × 4.68 × 3.20 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm4.68 mm0.85 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653437892
Side View
Table 65.0%Crown 48.6°Girdle: ThinPavilion 36.5°Culet: NoneDepth 68.4%

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 29
Current: $416 NZD|Low: $342 NZD|High: $1,138 NZD|Avg: $589 NZD|-0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7$342 NZD
Retailer 4$410 NZD
Retailer 1$416 NZD
Retailer 3$480 NZD
Retailer 5$545 NZD
Retailer 6$589 NZD
Retailer 8$608 NZD
Retailer 10$664 NZD
Retailer 2$698 NZD
Retailer 9$1,138 NZD

3 data points across 10 retailers

6 retailers$342 NZD to $1,178 NZD

A
Cheapest Retailer
-
$342 NZD
HK$1,500 HKD
A
Retailer 2
-
$416 NZD
£184 GBP
View
A
Retailer 3
-
$480 NZD
£212 GBP
View
B+
Retailer 4
-
$545 NZD
$306 USD
View
B+
Retailer 5
-
$589 NZD
£261 GBP
View
Most Expensive
B
Diamond Quarter
0.85SI1ELG92CE90N · Oct 29
$1,178 NZD
£521 GBP
View
5 more retailers have this diamond
Prices start from $342 NZDSave up to $836 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
0.85ct Radiant
$342 NZD