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Marquise|Lab Grown|IGI

1.46ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG807673681

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807673681

Diamond specifications and retailer prices

From €352 EUR
As of October 27, 2026
Save €968 EUR (73%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,320 EUR at Brilliant Earth · As of October 27, 2026
View at Brilliant Earth

About this 1.46ct lab-grown marquise diamond

This 1.46ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG807673681 or 807673681. Listed at 17 retailers as of October 27, 2026, with prices from €352 to €1,320, a €968 spread on the same certified stone. Brilliant Earth lists it at €1,320. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.46
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.9°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807673681
Dimensions12.70 × 5.92 × 3.27 mm
L/W Ratio2.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.70 mm5.92 mm1.46 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807673681
Side View
Table 62.0%Crown 30.9°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 55.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: €1,320 EUR|Low: €171 EUR|High: €1,364 EUR|Avg: €585 EUR|-3.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 27, 2026
Retailer 11€171 EUR
Retailer 3€257 EUR
Retailer 6€326 EUR
Retailer 2€352 EUR
Retailer 5€387 EUR
Retailer 9€481 EUR
Retailer 8€484 EUR
Retailer 10€487 EUR
Retailer 4€657 EUR
Retailer 7€890 EUR
Retailer 12€983 EUR
Brilliant Earth€1,320 EUR

37 data points across 12 retailers

17 retailers€352 EUR to €1,320 EUR

Retailer 1
-
€202 EUR
$227 USD
Price last confirmed 25 days ago
Retailer 2
-
€234 EUR
$263 USD
View
Price last confirmed 34 days ago
Retailer 3
-
€251 EUR
$281 USD
View
Price last confirmed 30 days ago
Retailer 4
-
€257 EUR
$288 USD
View
Price last confirmed 8 days ago
Retailer 5
-
€326 EUR
£288 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
€330 EUR
£291 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
€352 EUR
View
Retailer 8
-
€387 EUR
£342 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
€481 EUR
$540 USD
View
Price last confirmed 7 days ago
Retailer 10
-
€484 EUR
$543 USD
View
Price last confirmed 7 days ago
Retailer 11
-
€487 EUR
$546 USD
View
Price last confirmed 8 days ago
Retailer 12
-
€657 EUR
$737 USD
View
Price last confirmed 7 days ago
Retailer 13
-
€805 EUR
$903 USD
View
Price last confirmed 33 days ago
Retailer 14
-
€890 EUR
£786 GBP
View
Price last confirmed 12 days ago
Retailer 15
-
€983 EUR
$1,102 USD
View
Price last confirmed 8 days ago
Retailer 16
-
€1,311 EUR
$1,470 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20757654A · Oct 27
€1,320 EUR
$1,480 USD
View
16 more retailers have this diamond
Prices start from €352 EURSave up to €968 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
1.46ct Marquise
€352 EUR