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Heart|Lab Grown|IGI

1.59ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG598394228

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394228

Diamond specifications and retailer prices

From $377 AUD
$265 USD
As of October 30, 2026
Save $1,308 AUD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,685 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown heart diamond

This 1.59ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598394228 or 598394228. Listed at 22 retailers as of October 29, 2026, with prices from $377 to $1,685, a $1,308 spread on the same certified stone. MOH London lists it at $1,685. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394228
Dimensions8.05 × 7.39 × 4.66 mm
L/W Ratio1.09
Girdle conditionFaceted
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
8.05 mm7.39 mm1.59 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598394228
Side View
Table 61.0%Crown 34°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 57.9%

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 30
Current: $1,685 AUD|Low: $337 AUD|High: $1,871 AUD|Avg: $846 AUD|-4.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 8$337 AUD
Retailer 5$377 AUD
Retailer 7$436 AUD
Retailer 12$467 AUD
Retailer 15$562 AUD
Retailer 2$695 AUD
Retailer 16$718 AUD
Retailer 14$780 AUD
Retailer 10$784 AUD
Retailer 3$813 AUD
Retailer 4$974 AUD
Retailer 11$1,108 AUD
Retailer 13$1,280 AUD
Retailer 6$1,418 AUD
Retailer 9$1,510 AUD
MOH London$1,685 AUD

35 data points across 16 retailers

22 retailers$377 AUD to $1,685 AUD

Retailer 1
-
$337 AUD
$237 USD
Price last confirmed 29 days ago
Retailer 2
-
$337 AUD
$237 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$377 AUD
$265 USD
View
Final sale: no returns
Retailer 4
-
$407 AUD
$286 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$430 AUD
$302 USD
View
Price last confirmed 31 days ago
Retailer 6
-
$436 AUD
$306 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$436 AUD
$306 USD
View
A
Retailer 8
-
$467 AUD
£258 GBP
View
B+
Retailer 9
-
$562 AUD
$395 USD
View
A
Retailer 10
-
$695 AUD
€465 EUR
View
A
Retailer 11
-
$718 AUD
ZAR 8,152 ZAR
View
B+
Retailer 12
-
$780 AUD
$548 USD
View
A
Retailer 13
-
$784 AUD
£434 GBP
View
B+
Retailer 14
-
$813 AUD
$571 USD
View
B+
Retailer 15
-
$974 AUD
View
Retailer 16
-
$1,104 AUD
View
Price last confirmed 156 days ago
B+
Retailer 17
-
$1,108 AUD
$778 USD
View
B+
Retailer 18
-
$1,280 AUD
$899 USD
View
Retailer 19
-
$1,398 AUD
$982 USD
View
Price last confirmed 31 days ago
B
Retailer 20
-
$1,418 AUD
$996 USD
View
B
Retailer 21
-
$1,510 AUD
$1,061 USD
View
Most Expensive
B
MOH London
LG598394228 · Oct 29
$1,685 AUD
£932 GBP
View
21 more retailers have this diamond
Prices start from $377 AUDSave up to $1,308 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 Heart
$377 AUD