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Marquise|Lab Grown|IGI

1.85ct E VS1 Marquise Lab Grown Diamond

EX • E/VS1 • IGI LG821658092

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821658092

Diamond specifications and retailer prices

From €259 EUR
$288 USD
As of October 23, 2026
Save €1,565 EUR (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €1,824 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.85ct lab-grown marquise diamond

This 1.85ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821658092 or 821658092. Listed at 26 retailers as of October 23, 2026, with prices from €259 to €1,824, a €1,565 spread on the same certified stone. Brilliant Earth lists it at €1,824. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821658092
Dimensions12.31 × 6.59 × 4.14 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.31 mm6.59 mm1.85 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821658092
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.8%

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 23
Current: €1,824 EUR|Low: €253 EUR|High: €2,075 EUR|Avg: €783 EUR|-12.1%
Brilliant Earth
Retailer 2
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Retailer 25
October 30, 2026
Retailer 5€259 EUR
Retailer 18€289 EUR
Retailer 25€300 EUR
Retailer 6€321 EUR
Retailer 24€357 EUR
Retailer 19€376 EUR
Retailer 3€463 EUR
Retailer 13€503 EUR
Retailer 8€527 EUR
Retailer 23€542 EUR
Retailer 20€563 EUR
Retailer 10€567 EUR
Retailer 12€668 EUR
Retailer 22€753 EUR
Retailer 7€823 EUR
Retailer 15€1,029 EUR
Retailer 4€1,031 EUR
Retailer 2€1,073 EUR
Retailer 17€1,075 EUR
Retailer 14€1,233 EUR
Retailer 16€1,246 EUR
Retailer 21€1,286 EUR
Retailer 11€1,324 EUR
Retailer 9€1,340 EUR
Brilliant Earth€1,824 EUR

26 data points across 25 retailers

26 retailers€259 EUR to €1,824 EUR

A
Cheapest Retailer
-
€259 EUR
$288 USD
A
Retailer 2
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€289 EUR
$322 USD
View
Final sale: no returns
A
Retailer 3
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€300 EUR
$334 USD
View
A
Retailer 4
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€321 EUR
$357 USD
View
A
Retailer 5
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€357 EUR
HK$3,100 HKD
View
A
Retailer 6
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€376 EUR
£329 GBP
View
A
Retailer 7
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€463 EUR
$515 USD
View
A
Retailer 8
-
€503 EUR
View
A
Retailer 9
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€527 EUR
$586 USD
View
A
Retailer 10
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€542 EUR
ZAR 9,748 ZAR
View
A
Retailer 11
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€563 EUR
£494 GBP
View
A
Retailer 12
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€567 EUR
$631 USD
View
A
Retailer 13
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€595 EUR
A$1,018 AUD
View
A
Retailer 14
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€668 EUR
$744 USD
View
B+
Retailer 15
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€753 EUR
A$1,289 AUD
View
B+
Retailer 16
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€823 EUR
$916 USD
View
B+
Retailer 17
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€1,029 EUR
SGD 1,548 SGD
View
B+
Retailer 18
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€1,031 EUR
$1,147 USD
View
B+
Retailer 19
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€1,073 EUR
A$1,837 AUD
View
B+
Retailer 20
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€1,075 EUR
$1,196 USD
View
B
Retailer 21
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€1,233 EUR
$1,372 USD
View
Retailer 22
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€1,246 EUR
£1,092 GBP
View
Price last confirmed 14 days ago
B
Retailer 23
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€1,286 EUR
£1,127 GBP
View
B
Retailer 24
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€1,324 EUR
$1,474 USD
View
B
Retailer 25
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€1,340 EUR
$1,491 USD
View
Most Expensive
B
Brilliant Earth
20782702A · Oct 29
€1,824 EUR
$2,030 USD
View
25 more retailers have this diamond
Prices start from €259 EURSave up to €1,565 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
1.85ct Marquise
€259 EUR