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Radiant|Lab Grown|IGI

1.59ct E IF Radiant Lab Grown Diamond

GD • E/IF • IGI LG677576304

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

Certificate IGI LG677576304

Diamond specifications and retailer prices

From $692 AUD
$486 USD
As of October 27, 2026
Save $5,457 AUD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,149 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG677576304 or 677576304. Listed at 10 retailers as of October 27, 2026, with prices from $692 to $6,149, a $5,457 spread on the same certified stone. Do Amore Diamonds lists it at $6,149. 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
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677576304
Dimensions8.39 × 5.75 × 3.91 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.39 mm5.75 mm1.59 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677576304
Side View
Table 66.0%Crown 40.1°Girdle: MediumPavilion 36.2°Culet: NoneDepth 68.0%

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 27
Current: $6,149 AUD|Low: $554 AUD|High: $6,149 AUD|Avg: $2,529 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 7$774 AUD
Retailer 6$1,196 AUD
Retailer 3$1,338 AUD
Retailer 5$2,307 AUD
Retailer 4$3,203 AUD
Retailer 2$3,977 AUD
Do Amore Diamonds$6,149 AUD

17 data points across 7 retailers

10 retailers$692 AUD to $6,149 AUD

A
Cheapest Retailer
-
$692 AUD
$486 USD
A
Retailer 2
-
$774 AUD
$544 USD
View
Final sale: no returns
A
Retailer 3
-
$776 AUD
$545 USD
View
B+
Retailer 4
-
$1,196 AUD
$840 USD
View
B+
Retailer 5
-
$1,338 AUD
$940 USD
View
B
Retailer 6
-
$2,307 AUD
$1,621 USD
View
B
Retailer 7
-
$2,492 AUD
$1,751 USD
View
Retailer 8
-
$3,203 AUD
$2,250 USD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$3,977 AUD
£2,200 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F596F55DB · Oct 29
$6,149 AUD
$4,320 USD
View
9 more retailers have this diamond
Prices start from $692 AUDSave up to $5,457 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
$692 AUD