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Oval|Lab Grown|IGI

3.54ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG588354213

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG588354213

Diamond specifications and retailer prices

From $811 USD
€772 EUR
As of October 31, 2026
Save $2,019 USD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,830 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.54ct lab-grown oval diamond

This 3.54ct lab-grown oval 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 LG588354213 or 588354213. Listed at 2 retailers as of October 29, 2026, with prices from $811 to $2,830, a $2,019 spread on the same certified stone. Brilliant Earth lists it at $2,830. 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

3.54
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG588354213
Dimensions12.24 × 8.73 × 5.38 mm
L/W Ratio1.40
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
12.24 mm8.73 mm3.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG588354213
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $2,830 USD|Low: $676 USD|High: $2,980 USD|Avg: $1,425 USD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 3$676 USD
Retailer 2$811 USD
Retailer 4$812 USD
Retailer 9$865 USD
Retailer 8$1,055 USD
Retailer 6$1,251 USD
Retailer 7$1,973 USD
Retailer 5$2,435 USD
Brilliant Earth$2,830 USD

12 data points across 9 retailers

2 retailers$811 USD to $2,830 USD

A
Cheapest Retailer
-
$811 USD
€772 EUR
Most Expensive
B
Brilliant Earth
7670416A · Oct 29
$2,830 USD
View
1 more retailer has this diamond
Prices start from $811 USDSave up to $2,019 USD

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
3.54ct Oval
$811 USD