CaratHunter
Plans
Marquise|Lab Grown|IGI

3.09ct G SI1 Marquise Lab Grown Diamond

EX • G/SI1 • IGI LG567343136

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG567343136

Diamond specifications and retailer prices

From €1,318 EUR
$1,473 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €1,318 EUR at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

About this 3.09ct lab-grown marquise diamond

This 3.09ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG567343136 or 567343136. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

3.09
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567343136
Dimensions15.78 × 7.57 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.78 mm7.57 mm3.09 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567343136
Side View
Table 59.0%Crown 32.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €1,318 EUR|Low: €1,263 EUR|High: €1,622 EUR|Avg: €1,401 EUR|-18.7%
September 23, 2026
B2C Jewels€1,318 EUR

3 data points across 1 retailer

1 retailer

B
B2C Jewels
21244570 · Nov 1
€1,318 EUR
$1,473 USD
View

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
3.09ct Marquise
€1,318 EUR