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Round|Natural|IGI

1.25ct K IF Round Natural Diamond

EX • K/IF • IGI F5F93294

Shape and cutting style on the report: Round brilliant

Certificate IGI F5F93294

Diamond specifications and retailer prices

From $5,276 AUD
As of November 6, 2026
Save $1,147 AUD (18%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $6,423 AUD at Quality Diamonds UK · As of November 5, 2026
View at Quality Diamonds UK

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 K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI F5F93294. Listed at 5 retailers as of November 5, 2026, with prices from $5,276 to $6,423, a $1,147 spread on the same certified stone. Quality Diamonds UK lists it at $6,423. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI F5F93294
Dimensions6.91 × 6.95 × 4.26 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
"IDEAL CUT ROUND BRILLIANT"
Top View
6.91 mm6.95 mm1.25 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI F5F93294
Side View
Table 57.5%Crown 34.5°GirdlePavilion 41°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,423 AUD|Low: $4,957 AUD|High: $6,488 AUD|Avg: $5,637 AUD|-0.1%
Quality Diamonds UK
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6$4,957 AUD
Retailer 4$5,276 AUD
Retailer 3$5,584 AUD
Retailer 2$5,692 AUD
Retailer 5$5,797 AUD
Quality Diamonds UK$6,423 AUD

36 data points across 6 retailers

5 retailers$5,276 AUD to $6,423 AUD

A
Cheapest Retailer
-
$5,276 AUD
Retailer 2
-
$5,584 AUD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$5,692 AUD
View
B+
Retailer 4
-
$5,797 AUD
View
Most Expensive
B+
Quality Diamonds UK
133/517113BE1 · Nov 5
$6,423 AUD
£3,475 GBP
View
4 more retailers have this diamond
Prices start from $5,276 AUDSave up to $1,147 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.

A
1.25ct Round
$5,276 AUD