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Marquise|Lab Grown|IGI

1.78ct F VS1 Marquise Lab Grown Diamond

ID • F/VS1 • IGI LG803611087

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803611087

Diamond specifications and retailer prices

From €283 EUR
$317 USD
As of November 2, 2026
Save €2,232 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €2,514 EUR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG803611087 or 803611087. Listed at 21 retailers as of November 2, 2026, with prices from €283 to €2,514, a €2,232 spread on the same certified stone. Do Amore Diamonds lists it at €2,514. 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 angle35.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803611087
Dimensions12.20 × 6.36 × 3.98 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
12.20 mm6.36 mm1.78 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803611087
Side View
Table 61.0%Crown 35.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.6%

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: €2,514 EUR|Low: €283 EUR|High: €2,514 EUR|Avg: €899 EUR
Do Amore Diamonds
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Retailer 25
November 2, 2026
Retailer 24€283 EUR
Retailer 6€328 EUR
Retailer 9€438 EUR
Retailer 2€453 EUR
Retailer 16€455 EUR
Retailer 7€465 EUR
Retailer 10€469 EUR
Retailer 3€490 EUR
Retailer 8€498 EUR
Retailer 15€542 EUR
Retailer 5€599 EUR
Retailer 14€838 EUR
Retailer 22€899 EUR
Retailer 18€932 EUR
Retailer 21€1,007 EUR
Retailer 25€1,030 EUR
Retailer 23€1,092 EUR
Retailer 11€1,152 EUR
Retailer 17€1,185 EUR
Retailer 4€1,246 EUR
Retailer 13€1,416 EUR
Retailer 19€1,514 EUR
Retailer 12€1,524 EUR
Retailer 20€2,113 EUR
Do Amore Diamonds€2,514 EUR

17 data points across 25 retailers

21 retailers€283 EUR to €2,514 EUR

A
Cheapest Retailer
-
€283 EUR
$317 USD
A
Retailer 2
-
€328 EUR
$368 USD
View
A
Retailer 3
-
€438 EUR
$491 USD
View
A
Retailer 4
-
€453 EUR
£400 GBP
View
A
Retailer 5
-
€465 EUR
$522 USD
View
B+
Retailer 6
-
€469 EUR
$526 USD
View
A
Retailer 7
-
€490 EUR
$550 USD
View
A
Retailer 8
-
€498 EUR
$559 USD
View
A
Retailer 9
-
€599 EUR
View
Retailer 10
-
€838 EUR
$940 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€899 EUR
A$1,552 AUD
View
B+
Retailer 12
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€1,007 EUR
A$1,738 AUD
View
B+
Retailer 13
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€1,030 EUR
$1,155 USD
View
B+
Retailer 14
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€1,092 EUR
$1,225 USD
View
B+
Retailer 15
-
€1,152 EUR
CA$1,795 CAD
View
B
Retailer 16
-
€1,246 EUR
$1,397 USD
View
B
Retailer 17
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€1,416 EUR
$1,588 USD
View
B
Retailer 18
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€1,514 EUR
£1,337 GBP
View
B
Retailer 19
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€1,524 EUR
$1,709 USD
View
B
Retailer 20
-
€2,113 EUR
$2,370 USD
View
Most Expensive
B
Do Amore Diamonds
27-B1329BF40 · Nov 2
€2,514 EUR
$2,820 USD
View
20 more retailers have this diamond
Prices start from €283 EURSave up to €2,232 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
€283 EUR