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Round|Natural|IGI

1.55ct K IF Round Natural Diamond

EX • K/IF • IGI 607317049

Shape and cutting style on the report: Round brilliant

Certificate IGI 607317049

Diamond specifications and retailer prices

From $5,163 AUD
As of November 6, 2026
Save $4,460 AUD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $10,222 AUD at NZ Jewellers · As of October 20, 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 607317049. Listed at 12 retailers as of November 2, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.2°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 607317049
Dimensions7.37 × 7.31 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.37 mm7.31 mm1.55 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 607317049
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

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 6
Current: $10,222 AUD|Low: $5,163 AUD|High: $10,222 AUD|Avg: $7,135 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$5,163 AUD
Retailer 7$5,585 AUD
Retailer 2$5,864 AUD
Retailer 9$5,867 AUD
Retailer 4$6,461 AUD
Retailer 8$6,770 AUD
Retailer 3$7,023 AUD
Retailer 6$8,700 AUD
Retailer 5$9,622 AUD
NZ Jewellers$10,222 AUD

43 data points across 10 retailers

12 retailers$5,163 AUD to $9,622 AUD

A
Cheapest Retailer
-
$5,163 AUD
A
Retailer 2
-
$5,585 AUD
View
Retailer 3
-
$5,754 AUD
View
Price last confirmed 21 days ago
A
Retailer 4
-
$5,864 AUD
View
Retailer 5
-
$5,867 AUD
View
Price last confirmed 17 days ago
Retailer 6
-
$5,867 AUD
View
Price last confirmed 22 days ago
A
Retailer 7
-
$6,461 AUD
View
Retailer 8
-
$6,770 AUD
View
Price last confirmed 16 days ago
A
Retailer 9
-
$7,023 AUD
View
B+
Retailer 10
-
$8,700 AUD
View
B+
Retailer 11
-
$9,622 AUD
View
Most Expensive
NZ Jewellers
93623be4-9f28-4fd8-b017-2f729984efc0 · Oct 20
$10,222 AUD
$7,156 USD
View
Price last confirmed 16 days ago
11 more retailers have this diamond
Prices start from $5,163 AUDSave up to $4,460 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
1.55ct Round
$5,163 AUD