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Marquise|Lab Grown|IGI

1.80ct D IF Marquise Lab Grown Diamond

D/IF • IGI LG768631844

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG768631844

Diamond specifications and retailer prices

From €638 EUR
$713 USD
As of October 30, 2026
Save €5,028 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €5,666 EUR at Do Amore Diamonds · As of November 1, 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 D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG768631844 or 768631844. Listed at 17 retailers as of October 30, 2026, with prices from €638 to €5,666, a €5,028 spread on the same certified stone. Do Amore Diamonds lists it at €5,666. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.80
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768631844
Dimensions12.48 × 6.39 × 3.98 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
12.48 mm6.39 mm1.80 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768631844
Side View
Table 58.0%Crown 35.8°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 62.3%

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: €5,666 EUR|Low: €625 EUR|High: €5,970 EUR|Avg: €2,019 EUR|-5.1%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 1, 2026
Retailer 14€638 EUR
Retailer 4€694 EUR
Retailer 9€763 EUR
Retailer 16€884 EUR
Retailer 6€913 EUR
Retailer 8€1,077 EUR
Retailer 15€1,201 EUR
Retailer 13€1,332 EUR
Retailer 7€1,337 EUR
Retailer 17€1,822 EUR
Retailer 11€2,033 EUR
Retailer 5€2,170 EUR
Retailer 3€2,296 EUR
Retailer 2€3,061 EUR
Retailer 12€3,070 EUR
Retailer 10€4,147 EUR
Do Amore Diamonds€5,666 EUR

34 data points across 17 retailers

17 retailers€638 EUR to €5,666 EUR

A
Cheapest Retailer
-
€638 EUR
$713 USD
A
Retailer 2
-
€694 EUR
$775 USD
View
A
Retailer 3
-
€763 EUR
$852 USD
View
Final sale: no returns
A
Retailer 4
-
€884 EUR
$988 USD
View
A
Retailer 5
-
€913 EUR
$1,020 USD
View
A
Retailer 6
-
€1,077 EUR
$1,203 USD
View
A
Retailer 7
-
€1,201 EUR
$1,342 USD
View
A
Retailer 8
-
€1,332 EUR
View
A
Retailer 9
-
€1,337 EUR
A$2,298 AUD
View
B+
Retailer 10
-
€1,822 EUR
$2,036 USD
View
B+
Retailer 11
-
€2,033 EUR
A$3,495 AUD
View
B
Retailer 12
-
€2,170 EUR
$2,424 USD
View
B+
Retailer 13
-
€2,296 EUR
$2,565 USD
View
B
Retailer 14
-
€3,061 EUR
£2,693 GBP
View
B
Retailer 15
-
€3,070 EUR
$3,430 USD
View
B
Retailer 16
-
€4,147 EUR
A$7,128 AUD
View
Most Expensive
B
Do Amore Diamonds
27-745D341DE · Nov 1
€5,666 EUR
$6,330 USD
View
16 more retailers have this diamond
Prices start from €638 EURSave up to €5,028 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
€638 EUR