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 €418 EUR
$467 USD
As of October 30, 2026
Save €1,497 EUR (78%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,915 EUR 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 €418 to €1,915, a €1,497 spread on the same certified stone. MOH London lists it at €1,915. 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
Color
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

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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: €1,915 EUR|Low: €418 EUR|High: €2,931 EUR|Avg: €1,269 EUR|-34.6%
MOH London
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Retailer 23
November 1, 2026
Retailer 5€418 EUR
Retailer 10€467 EUR
Retailer 14€468 EUR
Retailer 8€519 EUR
Retailer 11€519 EUR
Retailer 13€563 EUR
Retailer 3€573 EUR
Retailer 4€644 EUR
Retailer 20€644 EUR
Retailer 2€725 EUR
Retailer 7€732 EUR
Retailer 21€892 EUR
Retailer 22€905 EUR
Retailer 19€1,208 EUR
Retailer 17€1,395 EUR
Retailer 18€1,423 EUR
Retailer 23€1,513 EUR
Retailer 16€1,514 EUR
Retailer 12€1,645 EUR
Retailer 6€1,668 EUR
Retailer 15€1,695 EUR
Retailer 9€1,832 EUR
MOH London€1,915 EUR

36 data points across 23 retailers

24 retailers€418 EUR to €1,915 EUR

A
Cheapest Retailer
-
€418 EUR
$467 USD
A
Retailer 2
-
€467 EUR
$522 USD
View
Final sale: no returns
A
Retailer 3
-
€468 EUR
$523 USD
View
Retailer 4
-
€519 EUR
$580 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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€519 EUR
$580 USD
View
A
Retailer 6
-
€563 EUR
£495 GBP
View
A
Retailer 7
-
€573 EUR
HK$5,000 HKD
View
B+
Retailer 8
-
€644 EUR
$719 USD
View
A
Retailer 9
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€644 EUR
$720 USD
View
A
Retailer 10
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€725 EUR
$810 USD
View
B+
Retailer 11
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€732 EUR
$818 USD
View
B+
Retailer 12
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€892 EUR
ZAR 16,091 ZAR
View
Retailer 13
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€905 EUR
View
Price last confirmed 7 days ago
B+
Retailer 14
-
€1,208 EUR
A$2,076 AUD
View
B+
Retailer 15
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€1,395 EUR
$1,558 USD
View
B+
Retailer 16
-
€1,423 EUR
$1,590 USD
View
B+
Retailer 17
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€1,495 EUR
$1,670 USD
View
Retailer 18
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€1,513 EUR
$1,690 USD
View
Price last confirmed 7 days ago
Retailer 19
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€1,514 EUR
£1,332 GBP
View
Price last confirmed 11 days ago
B+
Retailer 20
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€1,645 EUR
SGD 2,483 SGD
View
B+
Retailer 21
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€1,668 EUR
$1,863 USD
View
B+
Retailer 22
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€1,695 EUR
$1,893 USD
View
B+
Retailer 23
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€1,832 EUR
$2,047 USD
View
Most Expensive
B+
MOH London
LG635428718 · Oct 29
€1,915 EUR
£1,685 GBP
View
23 more retailers have this diamond
Prices start from €418 EURSave up to €1,497 EUR

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
€418 EUR