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1.63ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2426068335

Certificate GIA 2426068335

Diamond specifications and retailer prices

From $23,361 AUD
£12,921 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $23,361 AUD at Diamond Quarter
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 Diamond Quarter

About this 1.63ct natural round diamond

This 1.63ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2426068335. Listed at a single retailer as of October 29, 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2426068335
Dimensions7.46 × 7.51 × 4.66 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
7.46 mm7.51 mm1.63 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2426068335
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $9,830 AUD|Low: $9,512 AUD|High: $15,993 AUD|Avg: $12,090 AUD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 20, 2026
Retailer 1$9,830 AUD
Retailer 5$9,944 AUD
Retailer 4$10,805 AUD
Retailer 6$11,389 AUD
Retailer 2$12,370 AUD
Retailer 7$12,642 AUD
Retailer 8$13,069 AUD
Retailer 3$15,622 AUD

62 data points across 8 retailers

1 retailer

B
Diamond Quarter
1.63SI2D2435AFCEN · Oct 29
$23,361 AUD
£12,921 GBP
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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 Round
$23,361 AUD