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Round|Natural|GIA

0.51ct K I2 Round Natural Diamond

VG • K/I2 • GIA 1246095547

Certificate GIA 1246095547

Diamond specifications and retailer prices

From $836 AUD
As of November 5, 2026
Save $517 AUD (38%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,893 AUD at NZ Jewellers · As of November 4, 2026
View at NZ Jewellers

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and I2 clarity (included), with a very-good cut grade and certified by GIA 1246095547. Listed at 6 retailers as of November 4, 2026, with a 62% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
K
Colour
I2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1246095547
Dimensions5.08 × 5.10 × 3.19 mm
L/W Ratio1.00
Girdle conditionBruted
Culet sizeNone
Top View
5.08 mm5.10 mm0.51 ctK / I2
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1246095547
Side View
Table 58.0%Crown 36°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,893 AUD|Low: $836 AUD|High: $2,893 AUD|Avg: $1,252 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 4, 2026
Retailer 6$836 AUD
Retailer 4$900 AUD
Retailer 5$900 AUD
Retailer 3$964 AUD
Retailer 2$1,353 AUD
NZ Jewellers$2,893 AUD

12 data points across 6 retailers

6 retailers$836 AUD to $1,353 AUD

B
Cheapest Retailer
-
$836 AUD
Retailer 2
-
$900 AUD
View
Price last confirmed 8 days ago
B
Retailer 3
-
$900 AUD
View
B
Retailer 4
-
$964 AUD
View
C
Retailer 5
-
$1,353 AUD
View
Most Expensive
NZ Jewellers
8e6456a7-2f02-4f9f-8ce5-ac462b208317 · Nov 4
$2,893 AUD
$2,025 USD
View
Price under review
5 more retailers have this diamond
Prices start from $836 AUDSave up to $517 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
0.51ct Round
$836 AUD