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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 €488 EUR
$545 USD
As of October 30, 2026
Save €3,844 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,332 EUR at Do Amore Diamonds · As of October 31, 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 30, 2026, with prices from €488 to €4,332, a €3,844 spread on the same certified stone. Do Amore Diamonds lists it at €4,332. 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
Color
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 30
Current: €4,332 EUR|Low: €488 EUR|High: €4,332 EUR|Avg: €1,640 EUR
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 4€488 EUR
Retailer 7€546 EUR
Retailer 22€547 EUR
Retailer 5€605 EUR
Retailer 16€690 EUR
Retailer 19€725 EUR
Retailer 10€876 EUR
Retailer 14€934 EUR
Retailer 11€1,028 EUR
Retailer 2€1,037 EUR
Retailer 18€1,148 EUR
Retailer 21€1,477 EUR
Retailer 13€1,556 EUR
Retailer 6€1,757 EUR
Retailer 3€1,948 EUR
Retailer 9€1,951 EUR
Retailer 12€2,265 EUR
Retailer 8€2,290 EUR
Retailer 20€2,529 EUR
Retailer 17€2,916 EUR
Retailer 15€2,938 EUR
Do Amore Diamonds€4,332 EUR

34 data points across 22 retailers

22 retailers€488 EUR to €4,332 EUR

A
Cheapest Retailer
-
€488 EUR
$545 USD
A
Retailer 2
-
€546 EUR
$610 USD
View
Final sale: no returns
A
Retailer 3
-
€547 EUR
$611 USD
View
A
Retailer 4
-
€605 EUR
$676 USD
View
A
Retailer 5
-
€690 EUR
£607 GBP
View
A
Retailer 6
-
€725 EUR
$810 USD
View
A
Retailer 7
-
€876 EUR
$979 USD
View
A
Retailer 8
-
€934 EUR
$1,044 USD
View
A
Retailer 9
-
€1,028 EUR
$1,149 USD
View
A
Retailer 10
-
€1,037 EUR
£912 GBP
View
A
Retailer 11
-
€1,148 EUR
ZAR 20,720 ZAR
View
A
Retailer 12
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€1,477 EUR
$1,650 USD
View
A
Retailer 13
-
€1,556 EUR
A$2,674 AUD
View
A
Retailer 14
-
€1,757 EUR
$1,963 USD
View
B+
Retailer 15
-
€1,948 EUR
$2,176 USD
View
B+
Retailer 16
-
€1,951 EUR
£1,716 GBP
View
B+
Retailer 17
-
€2,265 EUR
$2,530 USD
View
B+
Retailer 18
-
€2,290 EUR
SGD 3,458 SGD
View
B+
Retailer 19
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€2,529 EUR
$2,825 USD
View
B+
Retailer 20
-
€2,916 EUR
£2,565 GBP
View
Retailer 21
-
€2,938 EUR
A$5,049 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Do Amore Diamonds
27-E0EB2547A · Oct 31
€4,332 EUR
$4,840 USD
View
21 more retailers have this diamond
Prices start from €488 EURSave up to €3,844 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
€488 EUR