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Round|Natural|GIA

1.28ct J SI2 Round Natural Diamond

GD • J/SI2 • GIA 2231291639

Certificate GIA 2231291639

Diamond specifications and retailer prices

From $4,242 CAD
$3,037 USD
As of October 30, 2026
Save $1,616 CAD (28%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $5,858 CAD at Yorxs · As of October 30, 2026
View at Yorxs

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 2231291639. Listed at 3 retailers as of October 30, 2026, with prices from $4,242 to $5,858, a $1,616 spread on the same certified stone. Yorxs lists it at $5,858. 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

1.28
Carat
J
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2231291639
Dimensions7.19 × 7.28 × 4.11 mm
L/W Ratio1.01
Top View
7.19 mm7.28 mm1.28 ctJ / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2231291639
Side View
Table 62.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 56.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $4,242 CAD|Low: $4,242 CAD|High: $5,858 CAD|Avg: $5,029 CAD|-6.5%
Retailer 1
Yorxs
October 30, 2026
Retailer 1$4,242 CAD
Yorxs$5,858 CAD

15 data points across 2 retailers

3 retailers$4,242 CAD to $5,858 CAD

B
Cheapest Retailer
-
$4,242 CAD
$3,037 USD
B
Retailer 2
-
$4,422 CAD
A$4,870 AUD
View
Most Expensive
C
Yorxs
JOLA2147 · Oct 30
$5,858 CAD
€3,994 EUR
View
2 more retailers have this diamond
Prices start from $4,242 CADSave up to $1,616 CAD

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
1.28ct Round
$4,242 CAD