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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG825654747

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825654747

Diamond specifications and retailer prices

From €253 EUR
$283 USD
As of November 2, 2026
Save €1,071 EUR (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,325 EUR at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG825654747 or 825654747. Listed at 22 retailers as of November 1, 2026, with prices from €253 to €1,325, a €1,071 spread on the same certified stone. With Clarity lists it at €1,325. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825654747
Dimensions12.37 × 6.44 × 3.87 mm
L/W Ratio1.92
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.37 mm6.44 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825654747
Side View
Table 57.0%Crown 32.3°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 60.1%

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: Nov 2
Current: €367 EUR|Low: €253 EUR|High: €1,338 EUR|Avg: €703 EUR|-3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 10€253 EUR
Retailer 11€283 EUR
Retailer 7€294 EUR
Retailer 4€314 EUR
Retailer 6€314 EUR
Retailer 1€367 EUR
Retailer 2€456 EUR
Retailer 20€518 EUR
Retailer 15€542 EUR
Retailer 12€550 EUR
Retailer 8€624 EUR
Retailer 18€625 EUR
Retailer 19€731 EUR
Retailer 17€813 EUR
Retailer 3€973 EUR
Retailer 13€1,009 EUR
Retailer 5€1,011 EUR
Retailer 9€1,056 EUR
Retailer 21€1,105 EUR
Retailer 14€1,209 EUR
Retailer 16€1,260 EUR
With Clarity€1,325 EUR

22 data points across 22 retailers

22 retailers€253 EUR to €1,325 EUR

A
Cheapest Retailer
-
€253 EUR
$283 USD
A
Retailer 2
-
€283 EUR
$316 USD
View
Final sale: no returns
A
Retailer 3
-
€294 EUR
$329 USD
View
Retailer 4
-
€314 EUR
$351 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€314 EUR
$351 USD
View
A
Retailer 6
-
€367 EUR
£323 GBP
View
A
Retailer 7
-
€456 EUR
$510 USD
View
A
Retailer 8
-
€518 EUR
$579 USD
View
A
Retailer 9
-
€542 EUR
ZAR 9,785 ZAR
View
A
Retailer 10
-
€550 EUR
£484 GBP
View
A
Retailer 11
-
€624 EUR
$697 USD
View
A
Retailer 12
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€625 EUR
$698 USD
View
A
Retailer 13
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€731 EUR
A$1,257 AUD
View
A
Retailer 14
-
€813 EUR
$908 USD
View
Retailer 15
-
€973 EUR
A$1,672 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€1,009 EUR
SGD 1,524 SGD
View
B+
Retailer 17
-
€1,011 EUR
$1,129 USD
View
B+
Retailer 18
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€1,056 EUR
$1,180 USD
View
B+
Retailer 19
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€1,105 EUR
$1,235 USD
View
B+
Retailer 20
-
€1,209 EUR
$1,351 USD
View
B+
Retailer 21
-
€1,260 EUR
£1,108 GBP
View
Most Expensive
B
With Clarity
825654747 · Nov 1
€1,325 EUR
$1,480 USD
View
21 more retailers have this diamond
Prices start from €253 EURSave up to €1,071 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
1.78ct Marquise
€253 EUR