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Marquise|Lab Grown|IGI

1.09ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG500166725

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG500166725

Diamond specifications and retailer prices

From €206 EUR
$230 USD
As of October 31, 2026
Save €1,557 EUR (88%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €1,763 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.09ct lab-grown marquise diamond

This 1.09ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG500166725 or 500166725. Listed at 24 retailers as of October 31, 2026, with prices from €206 to €1,763, a €1,557 spread on the same certified stone. Do Amore Diamonds lists it at €1,763. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG500166725
Dimensions10.62 × 5.46 × 3.35 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
10.62 mm5.46 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG500166725
Side View
Table 58.5%Crown 33.4°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.4%

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 31
Current: €1,763 EUR|Low: €206 EUR|High: €1,763 EUR|Avg: €720 EUR
Do Amore Diamonds
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
October 31, 2026
Retailer 2€206 EUR
Retailer 5€354 EUR
Retailer 6€355 EUR
Retailer 14€423 EUR
Retailer 15€432 EUR
Retailer 3€441 EUR
Retailer 8€449 EUR
Retailer 11€465 EUR
Retailer 12€598 EUR
Retailer 16€613 EUR
Retailer 18€734 EUR
Retailer 9€858 EUR
Retailer 7€961 EUR
Retailer 10€1,005 EUR
Retailer 17€1,008 EUR
Retailer 4€1,083 EUR
Retailer 13€1,298 EUR
Do Amore Diamonds€1,763 EUR

42 data points across 18 retailers

24 retailers€206 EUR to €1,763 EUR

Retailer 1
-
€183 EUR
$205 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€206 EUR
$230 USD
View
Final sale: no returns
Retailer 3
-
€218 EUR
$244 USD
View
Price last confirmed 32 days ago
Retailer 4
-
€227 EUR
$254 USD
View
Price last confirmed 23 days ago
Retailer 5
-
€253 EUR
$283 USD
View
Price last confirmed 33 days ago
Retailer 6
-
€268 EUR
$299 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
€354 EUR
$395 USD
View
A
Retailer 8
-
€355 EUR
HK$3,100 HKD
View
A
Retailer 9
-
€423 EUR
View
A
Retailer 10
-
€432 EUR
ZAR 7,791 ZAR
View
A
Retailer 11
-
€441 EUR
$493 USD
View
A
Retailer 12
-
€449 EUR
$502 USD
View
A
Retailer 13
-
€465 EUR
£409 GBP
View
B+
Retailer 14
-
€598 EUR
A$1,028 AUD
View
A
Retailer 15
-
€613 EUR
A$1,053 AUD
View
B+
Retailer 16
-
€734 EUR
$820 USD
View
B+
Retailer 17
-
€858 EUR
SGD 1,296 SGD
View
Retailer 18
-
€961 EUR
$1,074 USD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
€961 EUR
$1,074 USD
View
Retailer 20
-
€1,005 EUR
A$1,727 AUD
View
Price last confirmed 24 days ago
B+
Retailer 21
-
€1,008 EUR
£887 GBP
View
B
Retailer 22
-
€1,083 EUR
$1,210 USD
View
B+
Retailer 23
-
€1,298 EUR
$1,450 USD
View
Most Expensive
B
Do Amore Diamonds
27-08963D803 · Oct 31
€1,763 EUR
$1,970 USD
View
23 more retailers have this diamond
Prices start from €206 EURSave up to €1,557 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
1.09ct Marquise
€206 EUR