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Round|Natural|GIA

1.40ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561485063

Certificate GIA 6561485063

Diamond specifications and retailer prices

From $4,276 AUD
As of November 6, 2026
Save $3,657 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,932 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561485063. Listed at 12 retailers as of November 5, 2026, with prices from $4,276 to $7,932, a $3,657 spread on the same certified stone. NZ Jewellers lists it at $7,932. 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

1.40
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561485063
Dimensions7.09 × 7.14 × 4.45 mm
L/W Ratio1.01
Top View
7.09 mm7.14 mm1.40 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6561485063
Side View
Table 56.0%CrownGirdlePavilionCulet: 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 6
Current: $7,932 AUD|Low: $4,276 AUD|High: $8,628 AUD|Avg: $5,609 AUD|-8.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 4$4,276 AUD
Retailer 2$4,357 AUD
Retailer 5$4,681 AUD
Retailer 12$4,728 AUD
Retailer 3$4,757 AUD
Retailer 11$5,021 AUD
Retailer 7$5,224 AUD
Retailer 6$5,288 AUD
Retailer 8$5,557 AUD
Retailer 10$6,388 AUD
Retailer 9$7,594 AUD
NZ Jewellers$7,932 AUD

28 data points across 12 retailers

12 retailers$4,276 AUD to $7,932 AUD

B+
Cheapest Retailer
-
$4,276 AUD
B+
Retailer 2
-
$4,357 AUD
View
B+
Retailer 3
-
$4,681 AUD
View
B+
Retailer 4
-
$4,728 AUD
View
B+
Retailer 5
-
$4,757 AUD
View
B
Retailer 6
-
$5,021 AUD
View
B+
Retailer 7
-
$5,224 AUD
View
B
Retailer 8
-
$5,288 AUD
View
B+
Retailer 9
-
$5,557 AUD
View
B
Retailer 10
-
$6,388 AUD
View
B
Retailer 11
-
$7,594 AUD
View
Most Expensive
B
NZ Jewellers
898a5315-a296-4525-8f53-db063351308f · Nov 5
$7,932 AUD
$5,553 USD
View
11 more retailers have this diamond
Prices start from $4,276 AUDSave up to $3,657 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+
1.40ct Round
$4,276 AUD