Round|Natural|IGI

1.21ct K IF Round Natural Diamond

EX • K/IF • IGI 627493598

Shape and cutting style on the report: Round brilliant

Certificate IGI 627493598

Diamond specifications and retailer prices

From $1,796 USD
As of November 4, 2026
Save $3,052 USD (63%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,848 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural round diamond

This 1.21ct 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 627493598. Listed at 17 retailers as of November 4, 2026, with prices from $1,796 to $4,848, a $3,052 spread on the same certified stone. NZ Jewellers lists it at $4,848. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 627493598
Dimensions6.84 × 6.80 × 4.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.84 mm6.80 mm1.21 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 627493598
Side View
Table 56.0%Crown 35.2°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.1%

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 4
Current: $4,848 USD|Low: $1,796 USD|High: $4,848 USD|Avg: $2,481 USD|+11.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 9$1,796 USD
Retailer 13$1,825 USD
Retailer 5$1,904 USD
Retailer 3$1,988 USD
Retailer 4$2,019 USD
Retailer 11$2,079 USD
Retailer 2$2,170 USD
Retailer 12$2,293 USD
Retailer 6$2,298 USD
Retailer 7$2,425 USD
Retailer 8$2,697 USD
Retailer 10$3,473 USD
NZ Jewellers$4,848 USD

33 data points across 13 retailers

17 retailers$1,796 USD to $4,848 USD

A
Cheapest Retailer
-
$1,796 USD
A
Retailer 2
-
$1,825 USD
View
A
Retailer 3
-
$1,904 USD
View
Retailer 4
-
$1,923 USD
View
Price last confirmed 102 days ago
A
Retailer 5
-
$1,988 USD
View
Retailer 6
-
$2,019 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$2,019 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,079 USD
View
A
Retailer 9
-
$2,170 USD
View
A
Retailer 10
-
$2,293 USD
View
A
Retailer 11
-
$2,298 USD
View
Retailer 12
-
$2,329 USD
View
Price last confirmed 45 days ago
A
Retailer 13
-
$2,425 USD
View
A
Retailer 14
-
$2,697 USD
View
B+
Retailer 15
-
$3,473 USD
View
Retailer 16
-
$4,220 USD
View
Price last confirmed 46 days ago
Most Expensive
B
NZ Jewellers
daaf4f74-7634-47ea-9170-01f35eb10bc4 · Nov 5
$4,848 USD
View
16 more retailers have this diamond
Prices start from $1,796 USDSave up to $3,052 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
1.21ct Round
$1,796 USD