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Round|Natural|GIA

0.51ct L SI2 Round Natural Diamond

GD • L/SI2 • GIA 1558785610

Certificate GIA 1558785610

Diamond specifications and retailer prices

From $273 AUD
As of November 4, 2026
Save $375 AUD (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $648 AUD at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 1558785610. Listed at 8 retailers as of November 2, 2026, with prices from $273 to $648, a $375 spread on the same certified stone. Yorxs lists it at $648. 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
L
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1558785610
Dimensions4.89 × 4.90 × 3.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.89 mm4.90 mm0.51 ctL / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1558785610
Side View
Table 56.0%Crown 39.5°Girdle: THK-VTKPavilion 40°Culet: NoneDepth 65.7%

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 4
Current: $551 AUD|Low: $273 AUD|High: $912 AUD|Avg: $546 AUD|-21.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 5, 2026
Retailer 2$273 AUD
Retailer 7$329 AUD
Retailer 3$331 AUD
Retailer 5$391 AUD
Retailer 4$490 AUD
Retailer 1$551 AUD
Retailer 6$617 AUD
Yorxs$648 AUD

39 data points across 8 retailers

8 retailers$273 AUD to $648 AUD

B+
Cheapest Retailer
-
$273 AUD
B+
Retailer 2
-
$329 AUD
View
B+
Retailer 3
-
$331 AUD
View
Final sale: no returns
Retailer 4
-
$391 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$490 AUD
View
B+
Retailer 6
-
$551 AUD
View
B+
Retailer 7
-
$617 AUD
View
Most Expensive
B
Yorxs
TN0132009 · Nov 2
$648 AUD
€432 EUR
View
7 more retailers have this diamond
Prices start from $273 AUDSave up to $375 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
$273 AUD