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Round|Natural|IGI

1.03ct K IF Round Natural Diamond

EX • K/IF • IGI 851622813

Certificate IGI 851622813

Diamond specifications and retailer prices

From $2,328 AUD
As of November 5, 2026
Save $4,044 AUD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,373 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 851622813. Listed at 13 retailers as of November 5, 2026, with prices from $2,328 to $6,373, a $4,044 spread on the same certified stone. NZ Jewellers lists it at $6,373. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 851622813
Dimensions6.35 × 6.41 × 3.99 mm
L/W Ratio1.01
Top View
6.35 mm6.41 mm1.03 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 851622813
Side View
Table 60.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

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 5
Current: $6,373 AUD|Low: $2,713 AUD|High: $6,373 AUD|Avg: $3,479 AUD
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 5$2,714 AUD
Retailer 4$2,847 AUD
Retailer 7$3,010 AUD
Retailer 12$3,048 AUD
Retailer 6$3,078 AUD
Retailer 3$3,200 AUD
Retailer 8$3,374 AUD
Retailer 9$3,517 AUD
Retailer 11$3,733 AUD
Retailer 10$3,860 AUD
Retailer 2$4,463 AUD
NZ Jewellers$6,373 AUD

8 data points across 12 retailers

13 retailers$2,328 AUD to $6,373 AUD

A
Cheapest Retailer
-
$2,328 AUD
A
Retailer 2
-
$2,714 AUD
View
A
Retailer 3
-
$2,847 AUD
View
A
Retailer 4
-
$3,010 AUD
View
A
Retailer 5
-
$3,048 AUD
View
A
Retailer 6
-
$3,078 AUD
View
A
Retailer 7
-
$3,200 AUD
View
A
Retailer 8
-
$3,374 AUD
View
A
Retailer 9
-
$3,517 AUD
View
A
Retailer 10
-
$3,733 AUD
View
A
Retailer 11
-
$3,860 AUD
View
B+
Retailer 12
-
$4,463 AUD
View
Most Expensive
B
NZ Jewellers
f74ad5b8-36ed-42cc-963d-06f1af05cfae · Nov 5
$6,373 AUD
$4,461 USD
View
12 more retailers have this diamond
Prices start from $2,328 AUDSave up to $4,044 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
1.03ct Round
$2,328 AUD