Round|Natural|IGI

1.03ct K IF Round Natural Diamond

EX • K/IF • IGI 851622813

Certificate IGI 851622813

Diamond specifications and retailer prices

From $1,630 USD
As of November 5, 2026
Save $2,831 USD (63%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,461 USD 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 $1,630 to $4,461, a $2,831 spread on the same certified stone. NZ Jewellers lists it at $4,461. 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
Color
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

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $4,461 USD|Low: $1,899 USD|High: $4,461 USD|Avg: $2,436 USD
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 2$1,900 USD
Retailer 4$1,993 USD
Retailer 6$2,107 USD
Retailer 11$2,134 USD
Retailer 5$2,155 USD
Retailer 3$2,240 USD
Retailer 7$2,362 USD
Retailer 8$2,462 USD
Retailer 10$2,613 USD
Retailer 9$2,702 USD
Retailer 12$3,136 USD
NZ Jewellers$4,461 USD

8 data points across 12 retailers

13 retailers$1,630 USD to $4,461 USD

A
Cheapest Retailer
-
$1,630 USD
A
Retailer 2
-
$1,900 USD
View
A
Retailer 3
-
$1,993 USD
View
A
Retailer 4
-
$2,107 USD
View
A
Retailer 5
-
$2,134 USD
View
A
Retailer 6
-
$2,155 USD
View
A
Retailer 7
-
$2,240 USD
View
A
Retailer 8
-
$2,362 USD
View
A
Retailer 9
-
$2,462 USD
View
A
Retailer 10
-
$2,613 USD
View
A
Retailer 11
-
$2,702 USD
View
B+
Retailer 12
-
$3,136 USD
View
Most Expensive
B
NZ Jewellers
f74ad5b8-36ed-42cc-963d-06f1af05cfae · Nov 5
$4,461 USD
View
12 more retailers have this diamond
Prices start from $1,630 USDSave up to $2,831 USD

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
$1,630 USD