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Round|Natural|GIA

1.25ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 5566113590

Certificate GIA 5566113590

Diamond specifications and retailer prices

From $3,506 CAD
$2,510 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $3,506 CAD 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 1.25ct natural round diamond

This 1.25ct 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 top-tier cut grade and certified by GIA 5566113590. 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

1.25
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5566113590
Dimensions6.87 × 6.82 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
6.87 mm6.82 mm1.25 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5566113590
Side View
Table 58.0%Crown 35.5°GirdlePavilion 41°Culet: NDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,506 CAD|Low: $2,820 CAD|High: $3,744 CAD|Avg: $3,377 CAD|-4.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
September 7, 2026
Retailer 4$2,820 CAD
Retailer 2$3,504 CAD
Brilliant Earth$3,506 CAD
Retailer 3$3,605 CAD

11 data points across 4 retailers

1 retailer

B+
Brilliant Earth
21075577A · Oct 29
$3,506 CAD
$2,510 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+
1.25ct Round
$3,506 CAD