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Oval|Lab Grown|IGI

3.81ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG602373917

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG602373917

Diamond specifications and retailer prices

From $4,577 SGD
$3,580 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $4,577 SGD 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 3.81ct lab-grown oval diamond

This 3.81ct 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 LG602373917 or 602373917. Listed at a single retailer as of October 31, 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

3.81
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602373917
Dimensions12.99 × 8.63 × 5.37 mm
L/W Ratio1.51
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
12.99 mm8.63 mm3.81 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602373917
Side View
Table 59.0%Crown 34.3°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $4,577 SGD|Low: $978 SGD|High: $5,766 SGD|Avg: $2,738 SGD|-16.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 5, 2026
Retailer 3$1,014 SGD
Retailer 4$1,265 SGD
Retailer 7$1,323 SGD
Retailer 5$1,337 SGD
Retailer 6$1,780 SGD
Retailer 8$2,292 SGD
Brilliant Earth$4,577 SGD
Retailer 2$4,730 SGD

39 data points across 8 retailers

1 retailer

B
Brilliant Earth
8279931Y · Oct 31
$4,577 SGD
$3,580 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
3.81ct Oval
$4,577 SGD