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Marquise|Lab Grown|IGI

1.81ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818654393

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818654393

Diamond specifications and retailer prices

From €1,416 EUR
$1,582 USD
As of October 30, 2026
Save €3,322 EUR (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €4,738 EUR at With Clarity · As of October 31, 2026
View at With Clarity

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818654393 or 818654393. Listed at 14 retailers as of October 30, 2026, with prices from €1,416 to €4,738, a €3,322 spread on the same certified stone. With Clarity lists it at €4,738. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818654393
Dimensions12.71 × 6.37 × 3.96 mm
L/W Ratio2.00
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
12.71 mm6.37 mm1.81 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818654393
Side View
Table 60.0%Crown 33.7°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 62.2%

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: €4,435 EUR|Low: €1,352 EUR|High: €4,643 EUR|Avg: €2,839 EUR|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
October 31, 2026
Retailer 13€1,416 EUR
Retailer 4€1,512 EUR
Retailer 2€1,522 EUR
Retailer 12€1,791 EUR
Retailer 7€1,795 EUR
Retailer 11€1,866 EUR
Retailer 8€1,992 EUR
Retailer 10€2,802 EUR
Retailer 3€3,208 EUR
Retailer 6€3,974 EUR
Retailer 9€3,996 EUR
Retailer 5€4,333 EUR
Retailer 1€4,435 EUR
With Clarity€4,643 EUR

39 data points across 14 retailers

14 retailers€1,416 EUR to €4,738 EUR

A
Cheapest Retailer
-
€1,416 EUR
$1,582 USD
A
Retailer 2
-
€1,512 EUR
HK$13,200 HKD
View
A
Retailer 3
-
€1,522 EUR
$1,700 USD
View
A
Retailer 4
-
€1,791 EUR
A$3,078 AUD
View
A
Retailer 5
-
€1,795 EUR
£1,579 GBP
View
B+
Retailer 6
-
€1,866 EUR
$2,085 USD
View
B+
Retailer 7
-
€1,992 EUR
View
B+
Retailer 8
-
€2,802 EUR
$3,130 USD
View
Retailer 9
-
€3,208 EUR
$3,584 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
€3,974 EUR
$4,440 USD
View
B
Retailer 11
-
€3,996 EUR
£3,515 GBP
View
B
Retailer 12
-
€4,333 EUR
$4,841 USD
View
B
Retailer 13
-
€4,435 EUR
A$7,623 AUD
View
Most Expensive
B
With Clarity
818654393 · Oct 31
€4,738 EUR
$5,293 USD
View
13 more retailers have this diamond
Prices start from €1,416 EURSave up to €3,322 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
€1,416 EUR