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Marquise|Lab Grown|IGI

1.80ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG816672824

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816672824

Diamond specifications and retailer prices

From €490 EUR
$545 USD
As of October 27, 2026
Save €3,859 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,349 EUR at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown marquise diamond

This 1.8ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816672824 or 816672824. Listed at 22 retailers as of October 27, 2026, with prices from €490 to €4,349, a €3,859 spread on the same certified stone. Do Amore Diamonds lists it at €4,349. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816672824
Dimensions13.09 × 6.38 × 3.91 mm
L/W Ratio2.05
Girdle conditionFaceted
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
13.09 mm6.38 mm1.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816672824
Side View
Table 63.0%Crown 33.9°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

Caratlytics Score

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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 27
Current: €4,349 EUR|Low: €490 EUR|High: €4,349 EUR|Avg: €1,677 EUR
Do Amore Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 4€490 EUR
Retailer 7€548 EUR
Retailer 22€549 EUR
Retailer 5€607 EUR
Retailer 17€694 EUR
Retailer 18€728 EUR
Retailer 10€880 EUR
Retailer 14€938 EUR
Retailer 11€1,032 EUR
Retailer 2€1,049 EUR
Retailer 16€1,152 EUR
Retailer 21€1,482 EUR
Retailer 19€1,571 EUR
Retailer 6€1,764 EUR
Retailer 3€1,955 EUR
Retailer 9€1,958 EUR
Retailer 12€2,273 EUR
Retailer 8€2,299 EUR
Retailer 20€2,538 EUR
Retailer 13€2,927 EUR
Retailer 15€2,949 EUR
Do Amore Diamonds€4,349 EUR

33 data points across 22 retailers

22 retailers€490 EUR to €4,349 EUR

A
Cheapest Retailer
-
€490 EUR
$545 USD
A
Retailer 2
-
€548 EUR
$610 USD
View
Final sale: no returns
A
Retailer 3
-
€549 EUR
$611 USD
View
A
Retailer 4
-
€607 EUR
$676 USD
View
A
Retailer 5
-
€694 EUR
£608 GBP
View
A
Retailer 6
-
€728 EUR
$810 USD
View
A
Retailer 7
-
€880 EUR
$979 USD
View
A
Retailer 8
-
€938 EUR
$1,044 USD
View
A
Retailer 9
-
€1,032 EUR
$1,149 USD
View
A
Retailer 10
-
€1,049 EUR
£919 GBP
View
A
Retailer 11
-
€1,152 EUR
ZAR 20,720 ZAR
View
A
Retailer 12
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€1,482 EUR
$1,650 USD
View
Retailer 13
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€1,571 EUR
A$2,690 AUD
View
Price last confirmed 9 days ago
A
Retailer 14
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€1,764 EUR
$1,963 USD
View
B+
Retailer 15
-
€1,955 EUR
$2,176 USD
View
B+
Retailer 16
-
€1,958 EUR
£1,716 GBP
View
B+
Retailer 17
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€2,273 EUR
$2,530 USD
View
B+
Retailer 18
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€2,299 EUR
SGD 3,458 SGD
View
B+
Retailer 19
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€2,538 EUR
$2,825 USD
View
B+
Retailer 20
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€2,927 EUR
£2,565 GBP
View
Retailer 21
-
€2,949 EUR
A$5,049 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-E0EB2547A · Oct 29
€4,349 EUR
$4,840 USD
View
21 more retailers have this diamond
Prices start from €490 EURSave up to €3,859 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
1.80ct Marquise
€490 EUR