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Marquise|Lab Grown|IGI

1.71ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG806630081

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806630081

Diamond specifications and retailer prices

From €488 EUR
$545 USD
As of October 31, 2026
Save €3,549 EUR (88%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €4,037 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.71ct lab-grown marquise diamond

This 1.71ct 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 LG806630081 or 806630081. Listed at 17 retailers as of October 30, 2026, with prices from €488 to €4,037, a €3,549 spread on the same certified stone. Brilliant Earth lists it at €4,037. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806630081
Dimensions12.75 × 6.21 × 3.72 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.75 mm6.21 mm1.71 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806630081
Side View
Table 61.0%Crown 36.9°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
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 31
Current: €1,194 EUR|Low: €488 EUR|High: €2,534 EUR|Avg: €1,229 EUR|-0.4%
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
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 10€488 EUR
Retailer 5€667 EUR
Retailer 15€827 EUR
Retailer 16€847 EUR
Retailer 12€892 EUR
Retailer 7€940 EUR
Retailer 4€946 EUR
Retailer 1€1,194 EUR
Retailer 2€1,267 EUR
Retailer 14€1,462 EUR
Retailer 13€1,712 EUR
Retailer 9€1,764 EUR
Retailer 3€1,780 EUR
Retailer 6€1,907 EUR
Retailer 8€2,319 EUR
Retailer 11€2,534 EUR

19 data points across 16 retailers

17 retailers€488 EUR to €4,037 EUR

A
Cheapest Retailer
-
€488 EUR
$545 USD
Final sale: no returns
A
Retailer 2
-
€667 EUR
$745 USD
View
A
Retailer 3
-
€827 EUR
$924 USD
View
A
Retailer 4
-
€847 EUR
$946 USD
View
A
Retailer 5
-
€892 EUR
£784 GBP
View
A
Retailer 6
-
€940 EUR
ZAR 16,959 ZAR
View
A
Retailer 7
-
€946 EUR
View
A
Retailer 8
-
€1,194 EUR
$1,334 USD
View
A
Retailer 9
-
€1,267 EUR
A$2,177 AUD
View
A
Retailer 10
-
€1,462 EUR
$1,633 USD
View
B+
Retailer 11
-
€1,712 EUR
SGD 2,585 SGD
View
B+
Retailer 12
-
€1,764 EUR
$1,971 USD
View
B+
Retailer 13
-
€1,780 EUR
$1,989 USD
View
B+
Retailer 14
-
€1,907 EUR
$2,130 USD
View
Retailer 15
-
€2,319 EUR
£2,040 GBP
View
Price last confirmed 11 days ago
B+
Retailer 16
-
€2,534 EUR
A$4,356 AUD
View
Most Expensive
B
Brilliant Earth
20219477A · Oct 30
€4,037 EUR
$4,510 USD
View
16 more retailers have this diamond
Prices start from €488 EURSave up to €3,549 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
1.71ct Marquise
€488 EUR