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Oval|Natural|GIA

5.21ct G SI1 Oval Natural Diamond

VG • G/SI1

Diamond specifications and retailer prices

From $154,441 CAD
$110,560 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $154,441 CAD at Rare Carat
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 Rare Carat

About this 5.21ct natural oval diamond

This 5.21ct natural oval sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

5.21
Carat
G
Color
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions15.27 × 9.92 × 5.31 mm
L/W Ratio1.54
Top View
15.27 mm9.92 mm5.21 ctG / SI1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 54.0%CrownGirdle: MED-THKPavilionCuletDepth 53.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: $154,441 CAD|Low: $150,453 CAD|High: $171,774 CAD|Avg: $162,470 CAD|+2.7%
Rare Carat
Retailer 2
October 18, 2026
Rare Carat$154,441 CAD
Retailer 2$171,774 CAD

3 data points across 2 retailers

1 retailer

B
Rare Carat
OV014559 · Oct 28
$154,441 CAD
$110,560 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
5.21ct Oval
$154,441 CAD