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Round|Natural|IGI

1.55ct K IF Round Natural Diamond

EX • K/IF • IGI 620410438

Shape and cutting style on the report: Round brilliant

Certificate IGI 620410438

Diamond specifications and retailer prices

From $4,437 USD
As of November 5, 2026
Save $4,074 USD (48%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,511 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 620410438. Listed at 14 retailers as of November 5, 2026, with prices from $4,437 to $8,511, a $4,074 spread on the same certified stone. NZ Jewellers lists it at $8,511. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
K
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 620410438
Dimensions7.39 × 7.35 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.35 mm1.55 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 620410438
Side View
Table 57.0%Crown 34.9°Girdle: Med.Pavilion 41.3°Culet: NoneDepth 63.0%

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: $8,511 USD|Low: $4,507 USD|High: $8,511 USD|Avg: $5,721 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
Retailer 13
November 6, 2026
Retailer 4$4,507 USD
Retailer 2$4,701 USD
Retailer 5$4,785 USD
Retailer 6$5,044 USD
Retailer 3$5,089 USD
Retailer 12$5,089 USD
Retailer 13$5,089 USD
Retailer 8$5,594 USD
Retailer 9$5,721 USD
Retailer 11$5,871 USD
Retailer 7$6,208 USD
Retailer 10$8,083 USD
NZ Jewellers$8,511 USD

27 data points across 13 retailers

14 retailers$4,437 USD to $8,511 USD

A
Cheapest Retailer
-
$4,437 USD
A
Retailer 2
-
$4,701 USD
View
A
Retailer 3
-
$4,785 USD
View
A
Retailer 4
-
$5,044 USD
View
A
Retailer 5
-
$5,089 USD
View
Retailer 6
-
$5,089 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
$5,089 USD
View
A
Retailer 8
-
$5,240 USD
View
A
Retailer 9
-
$5,594 USD
View
A
Retailer 10
-
$5,721 USD
View
B+
Retailer 11
-
$5,871 USD
View
B+
Retailer 12
-
$6,208 USD
View
B
Retailer 13
-
$8,083 USD
View
Most Expensive
B
NZ Jewellers
6f1df928-a700-43fa-88c2-d7f65a5de212 · Nov 5
$8,511 USD
View
13 more retailers have this diamond
Prices start from $4,437 USDSave up to $4,074 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
1.55ct Round
$4,437 USD