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Radiant|Lab Grown|IGI

0.86ct G SI1 Radiant Lab Grown Diamond

GD • G/SI1 • IGI LG515230182

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

Certificate IGI LG515230182

Diamond specifications and retailer prices

From $391 NZD
$220 USD
As of November 1, 2026
Save $2,328 NZD (86%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,719 NZD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.86ct lab-grown radiant diamond

This 0.86ct lab-grown radiant sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG515230182 or 515230182. Listed at 7 retailers as of November 1, 2026, with prices from $391 to $2,719, a $2,328 spread on the same certified stone. Do Amore Diamonds lists it at $2,719. 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

0.86
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.6°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515230182
Dimensions6.77 × 4.69 × 3.13 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.77 mm4.69 mm0.86 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515230182
Side View
Table 65.5%Crown 48.6°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 66.7%

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: Nov 1
Current: $2,719 NZD|Low: $391 NZD|High: $2,719 NZD|Avg: $1,149 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 4$391 NZD
Retailer 6$638 NZD
Retailer 2$696 NZD
Retailer 7$713 NZD
Retailer 5$1,194 NZD
Retailer 8$1,284 NZD
Retailer 3$1,815 NZD
Do Amore Diamonds$2,719 NZD

29 data points across 8 retailers

7 retailers$391 NZD to $2,719 NZD

A
Cheapest Retailer
-
$391 NZD
$220 USD
B+
Retailer 2
-
$638 NZD
$359 USD
View
B+
Retailer 3
-
$696 NZD
£308 GBP
View
B
Retailer 4
-
$713 NZD
$401 USD
View
C
Retailer 5
-
$1,194 NZD
$672 USD
View
B
Retailer 6
-
$1,815 NZD
£804 GBP
View
Most Expensive
C
Do Amore Diamonds
27-A8374C25E · Nov 2
$2,719 NZD
$1,530 USD
View
6 more retailers have this diamond
Prices start from $391 NZDSave up to $2,328 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
0.86ct Radiant
$391 NZD