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Cushion|Lab Grown|IGI

1.59ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG788683578

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG788683578

Diamond specifications and retailer prices

From $522 AUD
$367 USD
As of October 29, 2026
Save $1,893 AUD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,415 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.59ct lab-grown cushion diamond

This 1.59ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788683578 or 788683578. Listed at 13 retailers as of October 26, 2026, with prices from $522 to $2,415, a $1,893 spread on the same certified stone. MOH London lists it at $2,415. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788683578
Dimensions9.21 × 5.76 × 3.37 mm
L/W Ratio1.60
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.21 mm5.76 mm1.59 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788683578
Side View
Table 58.0%Crown 42.7°Girdle: MED-STKPavilion 35.3°Culet: LargeDepth 58.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,415 AUD|Low: $522 AUD|High: $2,434 AUD|Avg: $1,321 AUD|+28.6%
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
October 31, 2026
Retailer 11$522 AUD
Retailer 12$780 AUD
Retailer 13$811 AUD
Retailer 9$841 AUD
Retailer 2$915 AUD
Retailer 15$1,018 AUD
Retailer 3$1,078 AUD
Retailer 8$1,401 AUD
Retailer 14$1,412 AUD
Retailer 10$1,481 AUD
Retailer 7$1,506 AUD
Retailer 6$1,692 AUD
Retailer 4$1,995 AUD
Retailer 5$2,339 AUD
MOH London$2,415 AUD

33 data points across 15 retailers

13 retailers$522 AUD to $2,415 AUD

A
Cheapest Retailer
-
$522 AUD
$367 USD
Final sale: no returns
A
Retailer 2
-
$780 AUD
$548 USD
View
A
Retailer 3
-
$811 AUD
$570 USD
View
A
Retailer 4
-
$841 AUD
$591 USD
View
A
Retailer 5
-
$915 AUD
€612 EUR
View
Retailer 6
-
$1,018 AUD
ZAR 11,549 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$1,078 AUD
$757 USD
View
B+
Retailer 8
-
$1,401 AUD
$984 USD
View
Retailer 9
-
$1,412 AUD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,481 AUD
$1,040 USD
View
B
Retailer 11
-
$1,995 AUD
$1,402 USD
View
Retailer 12
-
$2,339 AUD
$1,643 USD
View
Price last confirmed 7 days ago
Most Expensive
B
MOH London
LG788683578 · Oct 26
$2,415 AUD
£1,336 GBP
View
12 more retailers have this diamond
Prices start from $522 AUDSave up to $1,893 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 Cushion
$522 AUD