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Marquise|Lab Grown|IGI

1.81ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG641494144

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG641494144

Diamond specifications and retailer prices

From €511 EUR
$571 USD
As of October 30, 2026
Save €4,027 EUR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €4,538 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.81ct lab-grown marquise diamond

This 1.81ct 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 LG641494144 or 641494144. Listed at 23 retailers as of October 30, 2026, with prices from €511 to €4,538, a €4,027 spread on the same certified stone. Do Amore Diamonds lists it at €4,538. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG641494144
Dimensions12.58 × 6.34 × 3.97 mm
L/W Ratio1.98
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
12.58 mm6.34 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG641494144
Side View
Table 57.0%Crown 34.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 62.6%

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: Oct 30
Current: €4,538 EUR|Low: €511 EUR|High: €5,970 EUR|Avg: €1,849 EUR|-24.0%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7€511 EUR
Retailer 9€571 EUR
Retailer 22€573 EUR
Retailer 19€634 EUR
Retailer 17€752 EUR
Retailer 8€825 EUR
Retailer 6€836 EUR
Retailer 18€977 EUR
Retailer 3€1,044 EUR
Retailer 13€1,097 EUR
Retailer 16€1,202 EUR
Retailer 12€1,573 EUR
Retailer 2€1,630 EUR
Retailer 20€1,840 EUR
Retailer 5€2,033 EUR
Retailer 10€2,040 EUR
Retailer 11€2,113 EUR
Retailer 4€2,363 EUR
Retailer 14€2,389 EUR
Retailer 15€2,542 EUR
Retailer 21€2,760 EUR
Do Amore Diamonds€4,538 EUR

36 data points across 22 retailers

23 retailers€511 EUR to €4,538 EUR

A
Cheapest Retailer
-
€511 EUR
$571 USD
A
Retailer 2
-
€571 EUR
$638 USD
View
Final sale: no returns
A
Retailer 3
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€573 EUR
$640 USD
View
A
Retailer 4
-
€634 EUR
$708 USD
View
A
Retailer 5
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€752 EUR
$840 USD
View
Retailer 6
-
€780 EUR
$871 USD
View
Price last confirmed 13 days ago
A
Retailer 7
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€825 EUR
HK$7,200 HKD
View
A
Retailer 8
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€836 EUR
$934 USD
View
A
Retailer 9
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€977 EUR
$1,091 USD
View
A
Retailer 10
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€1,044 EUR
$1,166 USD
View
A
Retailer 11
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€1,097 EUR
£965 GBP
View
A
Retailer 12
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€1,202 EUR
ZAR 21,699 ZAR
View
A
Retailer 13
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€1,573 EUR
$1,757 USD
View
A
Retailer 14
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€1,630 EUR
A$2,801 AUD
View
B+
Retailer 15
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€1,840 EUR
$2,056 USD
View
B+
Retailer 16
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€2,033 EUR
£1,788 GBP
View
B+
Retailer 17
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€2,040 EUR
$2,279 USD
View
B+
Retailer 18
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€2,113 EUR
$2,361 USD
View
B+
Retailer 19
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€2,363 EUR
$2,640 USD
View
B+
Retailer 20
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€2,389 EUR
SGD 3,607 SGD
View
B+
Retailer 21
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€2,542 EUR
$2,840 USD
View
B+
Retailer 22
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€2,760 EUR
£2,428 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F4AD76964 · Oct 31
€4,538 EUR
$5,070 USD
View
22 more retailers have this diamond
Prices start from €511 EURSave up to €4,027 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
1.81ct Marquise
€511 EUR