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Marquise|Lab Grown|IGI

1.70ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG784645899

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645899

Diamond specifications and retailer prices

From €641 EUR
$716 USD
As of October 27, 2026
Save €5,052 EUR (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,693 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.7ct lab-grown marquise diamond

This 1.7ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784645899 or 784645899. Listed at 15 retailers as of October 27, 2026, with prices from €641 to €5,693, a €5,052 spread on the same certified stone. Do Amore Diamonds lists it at €5,693. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645899
Dimensions11.74 × 6.15 × 3.95 mm
L/W Ratio1.91
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
11.74 mm6.15 mm1.70 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645899
Side View
Table 61.0%Crown 37.6°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 64.2%

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 27
Current: €5,693 EUR|Low: €641 EUR|High: €7,492 EUR|Avg: €2,045 EUR|-24.0%
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
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Retailer 15
October 29, 2026
Retailer 10€641 EUR
Retailer 15€697 EUR
Retailer 12€883 EUR
Retailer 9€908 EUR
Retailer 4€926 EUR
Retailer 7€954 EUR
Retailer 5€992 EUR
Retailer 11€1,207 EUR
Retailer 2€1,383 EUR
Retailer 13€1,830 EUR
Retailer 14€2,307 EUR
Retailer 3€2,363 EUR
Retailer 8€3,092 EUR
Retailer 6€4,359 EUR
Do Amore Diamonds€5,693 EUR

35 data points across 15 retailers

15 retailers€641 EUR to €5,693 EUR

A
Cheapest Retailer
-
€641 EUR
$716 USD
A
Retailer 2
-
€697 EUR
$779 USD
View
A
Retailer 3
-
€883 EUR
$987 USD
View
A
Retailer 4
-
€908 EUR
£799 GBP
View
A
Retailer 5
-
€926 EUR
$1,035 USD
View
A
Retailer 6
-
€954 EUR
$1,066 USD
View
Final sale: no returns
A
Retailer 7
-
€992 EUR
$1,108 USD
View
A
Retailer 8
-
€1,207 EUR
$1,348 USD
View
A
Retailer 9
-
€1,383 EUR
View
B+
Retailer 10
-
€1,830 EUR
$2,045 USD
View
B+
Retailer 11
-
€2,307 EUR
$2,577 USD
View
B+
Retailer 12
-
€2,363 EUR
$2,640 USD
View
B
Retailer 13
-
€3,092 EUR
£2,720 GBP
View
B
Retailer 14
-
€4,359 EUR
$4,870 USD
View
Most Expensive
B
Do Amore Diamonds
27-3887A5746 · Oct 30
€5,693 EUR
$6,360 USD
View
14 more retailers have this diamond
Prices start from €641 EURSave up to €5,052 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
1.70ct Marquise
€641 EUR