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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 $1,036 SGD
€772 EUR
As of October 31, 2026
Save $2,582 SGD (71%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,618 SGD at Brilliant Earth · As of October 31, 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 31, 2026, with prices from $1,036 to $3,618, a $2,582 spread on the same certified stone. Brilliant Earth lists it at $3,618. 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
Colour
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: $3,618 SGD|Low: $864 SGD|High: $3,810 SGD|Avg: $1,822 SGD|-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$864 SGD
Retailer 2$1,036 SGD
Retailer 4$1,038 SGD
Retailer 9$1,106 SGD
Retailer 8$1,349 SGD
Retailer 6$1,599 SGD
Retailer 7$2,522 SGD
Retailer 5$3,113 SGD
Brilliant Earth$3,618 SGD

12 data points across 9 retailers

2 retailers$1,036 SGD to $3,618 SGD

A
Cheapest Retailer
-
$1,036 SGD
€772 EUR
Most Expensive
B
Brilliant Earth
7670416A · Oct 31
$3,618 SGD
$2,830 USD
View
1 more retailer has this diamond
Prices start from $1,036 SGDSave up to $2,582 SGD

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
$1,036 SGD