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Radiant|Lab Grown|IGI

1.59ct G VVS1 Radiant Lab Grown Diamond

EX • G/VVS1 • IGI LG678534997

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

Certificate IGI LG678534997

Diamond specifications and retailer prices

From $638 AUD
$448 USD
As of November 1, 2026
Save $1,199 AUD (65%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,836 AUD at Rare Carat · As of October 28, 2026
View at Rare Carat

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 top-tier cut grade and certified by IGI LG678534997 or 678534997. Listed at 8 retailers as of October 28, 2026, with prices from $638 to $1,836, a $1,199 spread on the same certified stone. Rare Carat lists it at $1,836. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678534997
Dimensions8.36 × 5.80 × 3.84 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm5.80 mm1.59 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678534997
Side View
Table 61.0%Crown 43.2°Girdle: MediumPavilion 33.1°Culet: NoneDepth 66.2%

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: $1,836 AUD|Low: $615 AUD|High: $1,858 AUD|Avg: $1,089 AUD|-1.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$638 AUD
Retailer 4$673 AUD
Retailer 8$767 AUD
Retailer 2$773 AUD
Retailer 5$846 AUD
Retailer 6$1,561 AUD
Retailer 3$1,642 AUD
Rare Carat$1,836 AUD

41 data points across 8 retailers

8 retailers$638 AUD to $1,836 AUD

B+
Cheapest Retailer
-
$638 AUD
$448 USD
A
Retailer 2
-
$673 AUD
€450 EUR
View
A
Retailer 3
-
$767 AUD
$539 USD
View
A
Retailer 4
-
$773 AUD
£427 GBP
View
A
Retailer 5
-
$846 AUD
$594 USD
View
B
Retailer 6
-
$1,561 AUD
$1,096 USD
View
B
Retailer 7
-
$1,642 AUD
£908 GBP
View
Most Expensive
B
Rare Carat
C210-25-B · Oct 28
$1,836 AUD
$1,290 USD
View
7 more retailers have this diamond
Prices start from $638 AUDSave up to $1,199 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
1.59ct Radiant
$638 AUD