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Oval|Lab Grown|IGI

3.77ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG630457715

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG630457715

Diamond specifications and retailer prices

From $4,257 AUD
$2,990 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $4,257 AUD 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 3.77ct lab-grown oval diamond

This 3.77ct 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 LG630457715 or 630457715. 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

3.77
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG630457715
Dimensions12.73 × 8.64 × 5.31 mm
L/W Ratio1.47
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
12.73 mm8.64 mm3.77 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG630457715
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.5%

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: $4,257 AUD|Low: $997 AUD|High: $8,399 AUD|Avg: $2,879 AUD|-29.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 4, 2026
Retailer 3$997 AUD
Retailer 5$1,204 AUD
Retailer 6$1,412 AUD
Retailer 7$1,489 AUD
Retailer 4$1,963 AUD
Retailer 8$2,500 AUD
Brilliant Earth$4,257 AUD
Retailer 2$5,666 AUD

52 data points across 8 retailers

1 retailer

B
Brilliant Earth
10052405B · Oct 31
$4,257 AUD
$2,990 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
3.77ct Oval
$4,257 AUD