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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 €252 EUR
$283 USD
As of November 2, 2026
Save €1,067 EUR (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €1,320 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 €252 to €1,320, a €1,067 spread on the same certified stone. With Clarity lists it at €1,320. 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
Colour
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: €818 EUR|Low: €252 EUR|High: €1,333 EUR|Avg: €701 EUR|-7.8%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
November 2, 2026
Retailer 10€252 EUR
Retailer 11€282 EUR
Retailer 7€293 EUR
Retailer 4€313 EUR
Retailer 6€313 EUR
Retailer 12€366 EUR
Retailer 2€455 EUR
Retailer 20€516 EUR
Retailer 16€540 EUR
Retailer 15€548 EUR
Retailer 8€621 EUR
Retailer 18€622 EUR
Retailer 19€728 EUR
Retailer 1€818 EUR
Retailer 3€969 EUR
Retailer 13€1,005 EUR
Retailer 5€1,007 EUR
Retailer 9€1,052 EUR
Retailer 21€1,101 EUR
Retailer 14€1,205 EUR
Retailer 17€1,255 EUR
With Clarity€1,320 EUR

21 data points across 22 retailers

22 retailers€252 EUR to €1,320 EUR

A
Cheapest Retailer
-
€252 EUR
$283 USD
A
Retailer 2
-
€282 EUR
$316 USD
View
Final sale: no returns
A
Retailer 3
-
€293 EUR
$329 USD
View
Retailer 4
-
€313 EUR
$351 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€313 EUR
$351 USD
View
A
Retailer 6
-
€366 EUR
£323 GBP
View
A
Retailer 7
-
€455 EUR
$510 USD
View
A
Retailer 8
-
€516 EUR
$579 USD
View
A
Retailer 9
-
€540 EUR
ZAR 9,785 ZAR
View
A
Retailer 10
-
€548 EUR
£484 GBP
View
A
Retailer 11
-
€621 EUR
$697 USD
View
A
Retailer 12
-
€622 EUR
$698 USD
View
A
Retailer 13
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€728 EUR
A$1,257 AUD
View
A
Retailer 14
-
€818 EUR
$917 USD
View
Retailer 15
-
€969 EUR
A$1,672 AUD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
€1,005 EUR
SGD 1,524 SGD
View
B+
Retailer 17
-
€1,007 EUR
$1,129 USD
View
B+
Retailer 18
-
€1,052 EUR
$1,180 USD
View
B+
Retailer 19
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€1,101 EUR
$1,235 USD
View
B+
Retailer 20
-
€1,205 EUR
$1,351 USD
View
B+
Retailer 21
-
€1,255 EUR
£1,108 GBP
View
Most Expensive
B
With Clarity
825654747 · Nov 1
€1,320 EUR
$1,480 USD
View
21 more retailers have this diamond
Prices start from €252 EURSave up to €1,067 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
€252 EUR