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Oval|Lab Grown|IGI

1.63ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG778650050

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778650050

Diamond specifications and retailer prices

From $1,712 AUD
$1,200 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,712 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 1.63ct lab-grown oval diamond

This 1.63ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778650050 or 778650050. 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

1.63
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778650050
Dimensions9.41 × 6.57 × 4.13 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Top View
9.41 mm6.57 mm1.63 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778650050
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: $1,712 AUD|Low: $367 AUD|High: $1,841 AUD|Avg: $914 AUD|-7.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
April 24, 2026
Retailer 5$566 AUD
Retailer 6$582 AUD
Retailer 4$715 AUD
Retailer 3$845 AUD
Retailer 7$962 AUD
Retailer 8$1,271 AUD
Retailer 2$1,281 AUD
Brilliant Earth$1,712 AUD

28 data points across 8 retailers

1 retailer

B
Brilliant Earth
18052472A · Oct 31
$1,712 AUD
$1,200 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
1.63ct Oval
$1,712 AUD