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Oval|Lab Grown|IGI

3.66ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG570332133

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG570332133

Diamond specifications and retailer prices

From €2,068 EUR
$2,320 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €2,068 EUR at Brilliant Earth
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 Brilliant Earth

About this 3.66ct lab-grown oval diamond

This 3.66ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG570332133 or 570332133. Listed at a single retailer as of November 2, 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

3.66
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570332133
Dimensions12.14 × 8.70 × 5.47 mm
L/W Ratio1.40
Girdle conditionFaceted
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
12.14 mm8.70 mm3.66 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570332133
Side View
Table 58.5%Crown 35.8°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 2
Current: €2,068 EUR|Low: €1,050 EUR|High: €3,896 EUR|Avg: €2,016 EUR|-46.9%
Brilliant Earth
Retailer 2
October 30, 2026
Retailer 2€1,050 EUR
Brilliant Earth€2,068 EUR

2 data points across 2 retailers

1 retailer

B+
Brilliant Earth
15535502B · Nov 2
€2,068 EUR
$2,320 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+
3.66ct Oval
€2,068 EUR