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Marquise|Lab Grown|IGI

1.74ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG823695115

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823695115

Diamond specifications and retailer prices

From €823 EUR
$919 USD
As of October 30, 2026
Save €2,758 EUR (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €3,580 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.74ct lab-grown marquise diamond

This 1.74ct 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 LG823695115 or 823695115. Listed at 23 retailers as of October 30, 2026, with prices from €823 to €3,580, a €2,758 spread on the same certified stone. Brilliant Earth lists it at €3,580. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.74
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823695115
Dimensions12.09 × 6.34 × 3.99 mm
L/W Ratio1.91
Girdle conditionFaceted
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 mm6.34 mm1.74 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823695115
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.9%

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: Oct 30
Current: €3,580 EUR|Low: €823 EUR|High: €4,538 EUR|Avg: €2,159 EUR|-21.1%
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 6€823 EUR
Retailer 22€895 EUR
Retailer 8€921 EUR
Retailer 20€954 EUR
Retailer 2€1,053 EUR
Retailer 18€1,110 EUR
Retailer 7€1,111 EUR
Retailer 5€1,150 EUR
Retailer 3€1,362 EUR
Retailer 13€1,466 EUR
Retailer 19€1,517 EUR
Retailer 10€1,529 EUR
Retailer 17€1,754 EUR
Retailer 12€2,122 EUR
Retailer 4€2,633 EUR
Retailer 21€2,683 EUR
Retailer 9€2,833 EUR
Retailer 11€3,122 EUR
Retailer 14€3,201 EUR
Retailer 16€3,253 EUR
Retailer 15€3,317 EUR
Brilliant Earth€3,580 EUR

27 data points across 22 retailers

23 retailers€823 EUR to €3,580 EUR

A
Cheapest Retailer
-
€823 EUR
$919 USD
A
Retailer 2
-
€895 EUR
$1,000 USD
View
A
Retailer 3
-
€921 EUR
$1,029 USD
View
Final sale: no returns
A
Retailer 4
-
€954 EUR
$1,066 USD
View
A
Retailer 5
-
€1,053 EUR
£927 GBP
View
A
Retailer 6
-
€1,110 EUR
$1,240 USD
View
A
Retailer 7
-
€1,111 EUR
HK$9,700 HKD
View
A
Retailer 8
-
€1,150 EUR
$1,285 USD
View
Retailer 9
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€1,181 EUR
$1,319 USD
View
Price last confirmed 14 days ago
A
Retailer 10
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€1,362 EUR
$1,522 USD
View
A
Retailer 11
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€1,466 EUR
£1,290 GBP
View
A
Retailer 12
-
€1,517 EUR
View
A
Retailer 13
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€1,529 EUR
$1,708 USD
View
B+
Retailer 14
-
€1,754 EUR
ZAR 31,655 ZAR
View
B+
Retailer 15
-
€2,122 EUR
$2,371 USD
View
B+
Retailer 16
-
€2,633 EUR
£2,316 GBP
View
B
Retailer 17
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€2,683 EUR
$2,997 USD
View
B+
Retailer 18
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€2,833 EUR
$3,165 USD
View
B
Retailer 19
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€3,122 EUR
$3,488 USD
View
B
Retailer 20
-
€3,201 EUR
SGD 4,833 SGD
View
B
Retailer 21
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€3,253 EUR
£2,862 GBP
View
B
Retailer 22
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€3,317 EUR
$3,706 USD
View
Most Expensive
B
Brilliant Earth
21546787A · Oct 30
€3,580 EUR
$4,000 USD
View
22 more retailers have this diamond
Prices start from €823 EURSave up to €2,758 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
1.74ct Marquise
€823 EUR