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Marquise|Lab Grown|IGI

3.00ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG823643816

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823643816

Diamond specifications and retailer prices

From €751 EUR
$842 USD
As of November 1, 2026
Save €284 EUR (27%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €1,855 EUR at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG823643816 or 823643816. Listed at 3 retailers as of October 31, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.00
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823643816
Dimensions14.61 × 7.61 × 4.68 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
14.61 mm7.61 mm3.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823643816
Side View
Table 59.0%Crown 32.6°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,855 EUR|Low: €751 EUR|High: €2,522 EUR|Avg: €1,443 EUR|+1.7%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 8, 2026
Retailer 3€751 EUR
Retailer 2€1,034 EUR
Retailer 4€1,148 EUR
Novita Diamonds€1,855 EUR
Retailer 5€2,522 EUR

5 data points across 5 retailers

3 retailers€751 EUR to €1,034 EUR

B+
Cheapest Retailer
-
€751 EUR
$842 USD
B+
Retailer 2
-
€1,034 EUR
$1,160 USD
View
Most Expensive
Novita Diamonds
cert_823643816 · Oct 8
€1,855 EUR
A$3,201 AUD
View
Price last confirmed 24 days ago
2 more retailers have this diamond
Prices start from €751 EURSave up to €284 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.

B+
3.00ct Marquise
€751 EUR