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Round|Natural|GIA

1.55ct I IF Round Natural Diamond

EX • I/IF • GIA 1555079644

Certificate GIA 1555079644

Diamond specifications and retailer prices

From $13,371 AUD
As of November 5, 2026
Save $7,448 AUD (36%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $20,819 AUD 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1555079644. Listed at 6 retailers as of November 5, 2026, with prices from $13,371 to $20,819, a $7,448 spread on the same certified stone. NZ Jewellers lists it at $20,819. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555079644
Dimensions7.32 × 7.36 × 4.62 mm
L/W Ratio1.01
Star length50%
Top View
7.32 mm7.36 mm1.55 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555079644
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

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: $20,819 AUD|Low: $11,119 AUD|High: $21,005 AUD|Avg: $16,333 AUD|-0.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 6$13,371 AUD
Retailer 5$13,788 AUD
Retailer 2$14,775 AUD
Retailer 4$15,076 AUD
Retailer 3$19,455 AUD
NZ Jewellers$20,819 AUD

45 data points across 6 retailers

6 retailers$13,371 AUD to $20,819 AUD

A
Cheapest Retailer
-
$13,371 AUD
B+
Retailer 2
-
$13,788 AUD
View
Final sale: no returns
B+
Retailer 3
-
$14,775 AUD
View
B+
Retailer 4
-
$15,076 AUD
View
B+
Retailer 5
-
$19,455 AUD
View
Most Expensive
B
NZ Jewellers
cf957386-1366-4460-a97a-6fb68e530821 · Nov 5
$20,819 AUD
$14,574 USD
View
5 more retailers have this diamond
Prices start from $13,371 AUDSave up to $7,448 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
$13,371 AUD