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Marquise|Lab Grown|IGI

1.67ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG744515112

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG744515112

Diamond specifications and retailer prices

From €593 EUR
$663 USD
As of October 30, 2026
Save €4,679 EUR (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €5,272 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.67ct lab-grown marquise diamond

This 1.67ct 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 LG744515112 or 744515112. Listed at 18 retailers as of October 30, 2026, with prices from €593 to €5,272, a €4,679 spread on the same certified stone. Do Amore Diamonds lists it at €5,272. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG744515112
Dimensions12.09 × 6.38 × 3.84 mm
L/W Ratio1.89
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
12.09 mm6.38 mm1.67 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG744515112
Side View
Table 59.0%Crown 34.1°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €5,272 EUR|Low: €581 EUR|High: €5,550 EUR|Avg: €1,918 EUR|-5.0%
Do Amore Diamonds
Retailer 2
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Retailer 11
Retailer 12
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Retailer 18
November 1, 2026
Retailer 16€593 EUR
Retailer 6€645 EUR
Retailer 10€709 EUR
Retailer 18€831 EUR
Retailer 7€850 EUR
Retailer 9€941 EUR
Retailer 17€1,122 EUR
Retailer 14€1,238 EUR
Retailer 8€1,256 EUR
Retailer 3€1,758 EUR
Retailer 12€1,891 EUR
Retailer 5€2,034 EUR
Retailer 4€2,136 EUR
Retailer 15€2,448 EUR
Retailer 13€2,882 EUR
Retailer 2€2,984 EUR
Retailer 11€3,398 EUR
Do Amore Diamonds€5,272 EUR

35 data points across 18 retailers

18 retailers€593 EUR to €5,272 EUR

A
Cheapest Retailer
-
€593 EUR
$663 USD
A
Retailer 2
-
€645 EUR
$721 USD
View
A
Retailer 3
-
€709 EUR
$792 USD
View
Final sale: no returns
A
Retailer 4
-
€831 EUR
$928 USD
View
A
Retailer 5
-
€850 EUR
$950 USD
View
A
Retailer 6
-
€941 EUR
$1,051 USD
View
A
Retailer 7
-
€1,122 EUR
$1,253 USD
View
A
Retailer 8
-
€1,238 EUR
View
A
Retailer 9
-
€1,256 EUR
A$2,158 AUD
View
B+
Retailer 10
-
€1,758 EUR
$1,964 USD
View
B+
Retailer 11
-
€1,891 EUR
A$3,251 AUD
View
B+
Retailer 12
-
€2,034 EUR
$2,272 USD
View
B+
Retailer 13
-
€2,136 EUR
$2,386 USD
View
B+
Retailer 14
-
€2,448 EUR
$2,735 USD
View
B+
Retailer 15
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€2,882 EUR
$3,220 USD
View
B+
Retailer 16
-
€2,984 EUR
£2,625 GBP
View
B
Retailer 17
-
€3,398 EUR
A$5,841 AUD
View
Most Expensive
B
Do Amore Diamonds
27-9FBFEA9C8 · Nov 1
€5,272 EUR
$5,890 USD
View
17 more retailers have this diamond
Prices start from €593 EURSave up to €4,679 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
1.67ct Marquise
€593 EUR