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Radiant|Lab Grown|IGI

1.59ct G VVS1 Radiant Lab Grown Diamond

GD • G/VVS1 • IGI LG651400455

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

Certificate IGI LG651400455

Diamond specifications and retailer prices

From $1,097 NZD
$618 USD
As of November 2, 2026
Save $516 NZD (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,613 NZD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 1.59ct lab-grown radiant diamond

This 1.59ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG651400455 or 651400455. Listed at 2 retailers as of November 2, 2026, with prices from $1,097 to $1,613, a $516 spread on the same certified stone. Diamond Quarter lists it at $1,613. 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

1.59
Carat
G
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG651400455
Dimensions8.54 × 5.70 × 3.74 mm
L/W Ratio1.50
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.54 mm5.70 mm1.59 ctG / VVS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG651400455
Side View
Table 63.0%Crown 43.4°Girdle: MED-STKPavilion 33.8°Culet: NoneDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: $1,097 NZD|Low: $1,065 NZD|High: $1,645 NZD|Avg: $1,267 NZD|-33.3%
September 23, 2026
Retailer 1$1,097 NZD

4 data points across 1 retailer

2 retailers$1,097 NZD to $1,613 NZD

B+
Cheapest Retailer
-
$1,097 NZD
$618 USD
Most Expensive
B
Diamond Quarter
1.59VVS1GLG55B8B7N · Nov 2
$1,613 NZD
£716 GBP
View
1 more retailer has this diamond
Prices start from $1,097 NZDSave up to $516 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.

B+
1.59ct Radiant
$1,097 NZD