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Round|Natural|GIA

1.27ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 5553208216

Certificate GIA 5553208216

Diamond specifications and retailer prices

From $7,094 AUD
CA$6,905 CAD
As of November 2, 2026
Save $2,037 AUD (22%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,130 AUD at Yorxs · As of November 1, 2026
View at Yorxs

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5553208216. Listed at 3 retailers as of November 1, 2026, with prices from $7,094 to $9,130, a $2,037 spread on the same certified stone. Yorxs lists it at $9,130. 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

1.27
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5553208216
Dimensions6.83 × 6.89 × 4.29 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
6.83 mm6.89 mm1.27 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553208216
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: $9,082 AUD|Low: $4,292 AUD|High: $11,672 AUD|Avg: $8,685 AUD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Yorxs
November 3, 2026
Retailer 10$4,292 AUD
Retailer 2$5,218 AUD
Retailer 3$7,094 AUD
Retailer 4$8,904 AUD
Retailer 6$8,904 AUD
Retailer 7$9,027 AUD
Retailer 1$9,082 AUD
Yorxs$9,130 AUD
Retailer 5$11,301 AUD
Retailer 9$11,301 AUD
Retailer 8$11,672 AUD

37 data points across 11 retailers

3 retailers$7,094 AUD to $9,130 AUD

B+
Cheapest Retailer
-
$7,094 AUD
CA$6,905 CAD
B
Retailer 2
-
$9,082 AUD
£5,012 GBP
View
Most Expensive
B
Yorxs
D70208-05 · Nov 1
$9,130 AUD
€6,094 EUR
View
2 more retailers have this diamond
Prices start from $7,094 AUDSave up to $2,037 AUD

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+
1.27ct Round
$7,094 AUD