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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 €258 EUR
$288 USD
As of October 25, 2026
Save €1,067 EUR (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,325 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 25, 2026, with prices from €258 to €1,325, a €1,067 spread on the same certified stone. Brilliant Earth lists it at €1,325. 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
Color
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 25
Current: €1,325 EUR|Low: €172 EUR|High: €1,369 EUR|Avg: €587 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€172 EUR
Retailer 3€258 EUR
Retailer 6€327 EUR
Retailer 2€353 EUR
Retailer 5€388 EUR
Retailer 9€483 EUR
Retailer 8€486 EUR
Retailer 10€489 EUR
Retailer 4€660 EUR
Retailer 7€893 EUR
Retailer 12€986 EUR
Brilliant Earth€1,325 EUR

37 data points across 12 retailers

17 retailers€258 EUR to €1,325 EUR

Retailer 1
-
€203 EUR
$227 USD
Price last confirmed 24 days ago
Retailer 2
-
€235 EUR
$263 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€252 EUR
$281 USD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
€258 EUR
$288 USD
View
Retailer 5
-
€327 EUR
£288 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
€331 EUR
£291 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
€353 EUR
View
B+
Retailer 8
-
€388 EUR
£342 GBP
View
B+
Retailer 9
-
€483 EUR
$540 USD
View
B+
Retailer 10
-
€486 EUR
$543 USD
View
Retailer 11
-
€489 EUR
$546 USD
View
Price last confirmed 8 days ago
B
Retailer 12
-
€660 EUR
$737 USD
View
Retailer 13
-
€808 EUR
$903 USD
View
Price last confirmed 32 days ago
Retailer 14
-
€893 EUR
£786 GBP
View
Price last confirmed 11 days ago
Retailer 15
-
€986 EUR
$1,102 USD
View
Price last confirmed 7 days ago
Retailer 16
-
€1,316 EUR
$1,470 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
20757654A · Oct 27
€1,325 EUR
$1,480 USD
View
16 more retailers have this diamond
Prices start from €258 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
1.46ct Marquise
€258 EUR