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Round|Natural|GIA

1.05ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5242112392

Certificate GIA 5242112392

Diamond specifications and retailer prices

From $3,085 AUD
$2,167 USD
As of November 1, 2026
Save $4,795 AUD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,880 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5242112392. Listed at 8 retailers as of October 30, 2026, with prices from $3,085 to $7,880, a $4,795 spread on the same certified stone. NZ Jewellers lists it at $7,880. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242112392
Dimensions6.48 × 6.51 × 4.04 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.48 mm6.51 mm1.05 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242112392
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,880 AUD|Low: $3,085 AUD|High: $7,880 AUD|Avg: $4,042 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$3,085 AUD
Retailer 6$3,304 AUD
Retailer 4$3,414 AUD
Retailer 7$3,414 AUD
Retailer 5$3,572 AUD
Retailer 3$3,939 AUD
Retailer 2$4,685 AUD
NZ Jewellers$7,880 AUD

6 data points across 8 retailers

8 retailers$3,085 AUD to $7,880 AUD

B+
Cheapest Retailer
-
$3,085 AUD
$2,167 USD
B
Retailer 2
-
$3,304 AUD
$2,321 USD
View
B
Retailer 3
-
$3,414 AUD
$2,398 USD
View
B
Retailer 4
-
$3,414 AUD
$2,398 USD
View
B+
Retailer 5
-
$3,572 AUD
$2,509 USD
View
B
Retailer 6
-
$3,939 AUD
$2,767 USD
View
B
Retailer 7
-
$4,685 AUD
€3,134 EUR
View
Most Expensive
C
NZ Jewellers
ae8748af-a6d5-4a9e-960f-0415be7fdfeb · Oct 30
$7,880 AUD
$5,535 USD
View
7 more retailers have this diamond
Prices start from $3,085 AUDSave up to $4,795 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.

B+
1.05ct Round
$3,085 AUD