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Marquise|Lab Grown|IGI

1.59ct H IF Marquise Lab Grown Diamond

ID • H/IF • IGI LG635428718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG635428718

Diamond specifications and retailer prices

From $665 AUD
$467 USD
As of November 2, 2026
Save $2,382 AUD (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,046 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown marquise diamond

This 1.59ct lab-grown marquise sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635428718 or 635428718. Listed at 24 retailers as of October 29, 2026, with prices from $665 to $3,046, a $2,382 spread on the same certified stone. MOH London lists it at $3,046. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635428718
Dimensions12.04 × 6.17 × 3.74 mm
L/W Ratio1.95
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
12.04 mm6.17 mm1.59 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635428718
Side View
Table 61.0%Crown 35°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 60.6%

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: Nov 2
Current: $3,046 AUD|Low: $665 AUD|High: $4,661 AUD|Avg: $2,006 AUD|-34.6%
MOH London
Retailer 2
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November 2, 2026
Retailer 5$665 AUD
Retailer 10$743 AUD
Retailer 14$745 AUD
Retailer 8$826 AUD
Retailer 11$826 AUD
Retailer 2$895 AUD
Retailer 3$911 AUD
Retailer 4$1,024 AUD
Retailer 21$1,025 AUD
Retailer 17$1,153 AUD
Retailer 7$1,165 AUD
Retailer 13$1,423 AUD
Retailer 22$1,439 AUD
Retailer 20$1,921 AUD
Retailer 18$2,218 AUD
Retailer 19$2,264 AUD
Retailer 23$2,406 AUD
Retailer 16$2,408 AUD
Retailer 12$2,616 AUD
Retailer 6$2,652 AUD
Retailer 15$2,695 AUD
Retailer 9$2,914 AUD
MOH London$3,046 AUD

37 data points across 23 retailers

24 retailers$665 AUD to $3,046 AUD

A
Cheapest Retailer
-
$665 AUD
$467 USD
A
Retailer 2
-
$743 AUD
$522 USD
View
Final sale: no returns
A
Retailer 3
-
$745 AUD
$523 USD
View
Retailer 4
-
$826 AUD
$580 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$826 AUD
$580 USD
View
A
Retailer 6
-
$895 AUD
£495 GBP
View
A
Retailer 7
-
$911 AUD
HK$5,000 HKD
View
B+
Retailer 8
-
$1,024 AUD
$719 USD
View
A
Retailer 9
-
$1,025 AUD
$720 USD
View
A
Retailer 10
-
$1,153 AUD
$810 USD
View
B+
Retailer 11
-
$1,165 AUD
$818 USD
View
B+
Retailer 12
-
$1,423 AUD
ZAR 16,148 ZAR
View
Retailer 13
-
$1,439 AUD
€963 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
$1,921 AUD
View
B+
Retailer 15
-
$2,218 AUD
$1,558 USD
View
B+
Retailer 16
-
$2,264 AUD
$1,590 USD
View
B+
Retailer 17
-
$2,377 AUD
$1,670 USD
View
Retailer 18
-
$2,406 AUD
$1,690 USD
View
Price last confirmed 8 days ago
Retailer 19
-
$2,408 AUD
£1,332 GBP
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$2,616 AUD
SGD 2,483 SGD
View
B+
Retailer 21
-
$2,652 AUD
$1,863 USD
View
B+
Retailer 22
-
$2,695 AUD
$1,893 USD
View
B+
Retailer 23
-
$2,914 AUD
$2,047 USD
View
Most Expensive
B+
MOH London
LG635428718 · Oct 29
$3,046 AUD
£1,685 GBP
View
23 more retailers have this diamond
Prices start from $665 AUDSave up to $2,382 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 Marquise
$665 AUD