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Marquise|Lab Grown|IGI

1.61ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG817610778

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817610778

Diamond specifications and retailer prices

From €573 EUR
$640 USD
As of November 1, 2026
Save €2,694 EUR (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,267 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown marquise diamond

This 1.61ct 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 LG817610778 or 817610778. Listed at 18 retailers as of October 31, 2026, with prices from €573 to €3,267, a €2,694 spread on the same certified stone. Brilliant Earth lists it at €3,267. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817610778
Dimensions11.81 × 6.07 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm6.07 mm1.61 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817610778
Side View
Table 58.0%Crown 38.8°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 61.6%

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: Nov 1
Current: €3,267 EUR|Low: €573 EUR|High: €3,374 EUR|Avg: €1,454 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 18€573 EUR
Retailer 12€752 EUR
Retailer 2€852 EUR
Retailer 13€897 EUR
Retailer 8€930 EUR
Retailer 11€992 EUR
Retailer 15€1,096 EUR
Retailer 7€1,101 EUR
Retailer 5€1,486 EUR
Retailer 4€1,583 EUR
Retailer 10€1,869 EUR
Retailer 6€1,941 EUR
Retailer 3€2,009 EUR
Retailer 16€2,058 EUR
Retailer 14€2,098 EUR
Retailer 9€2,796 EUR
Retailer 17€3,232 EUR
Brilliant Earth€3,267 EUR

19 data points across 18 retailers

18 retailers€573 EUR to €3,267 EUR

A
Cheapest Retailer
-
€573 EUR
$640 USD
Final sale: no returns
A
Retailer 2
-
€752 EUR
$840 USD
View
A
Retailer 3
-
€852 EUR
$952 USD
View
A
Retailer 4
-
€897 EUR
$1,002 USD
View
A
Retailer 5
-
€930 EUR
View
A
Retailer 6
-
€992 EUR
£873 GBP
View
A
Retailer 7
-
€1,096 EUR
$1,225 USD
View
A
Retailer 8
-
€1,101 EUR
ZAR 19,873 ZAR
View
A
Retailer 9
-
€1,486 EUR
A$2,554 AUD
View
B+
Retailer 10
-
€1,583 EUR
$1,769 USD
View
B+
Retailer 11
-
€1,869 EUR
£1,644 GBP
View
B+
Retailer 12
-
€1,941 EUR
$2,168 USD
View
B+
Retailer 13
-
€2,009 EUR
SGD 3,033 SGD
View
B+
Retailer 14
-
€2,058 EUR
$2,299 USD
View
B+
Retailer 15
-
€2,098 EUR
$2,344 USD
View
B+
Retailer 16
-
€2,796 EUR
£2,460 GBP
View
B
Retailer 17
-
€3,232 EUR
A$5,555 AUD
View
Most Expensive
B
Brilliant Earth
20772153A · Oct 31
€3,267 EUR
$3,650 USD
View
17 more retailers have this diamond
Prices start from €573 EURSave up to €2,694 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
1.61ct Marquise
€573 EUR