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Radiant|Natural|GIA

0.51ct G SI1 Radiant Natural Diamond

GD • G/SI1 • GIA 5546045873

Certificate GIA 5546045873

Diamond specifications and retailer prices

From $826 NZD
As of November 6, 2026
Save $66 NZD (7%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $892 NZD at ZCOVA · As of November 6, 2026
View at ZCOVA

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5546045873. Listed at 2 retailers as of November 6, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546045873
Dimensions5.71 × 3.89 × 2.64 mm
L/W Ratio1.47
Top View
5.71 mm3.89 mm0.51 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546045873
Side View
Table 67.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $826 NZD|Low: $729 NZD|High: $1,461 NZD|Avg: $1,130 NZD|+8.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
ZCOVA
October 17, 2026
Retailer 1$826 NZD
ZCOVA$892 NZD
Retailer 2$913 NZD
Retailer 3$1,245 NZD
Retailer 4$1,245 NZD
Retailer 5$1,299 NZD
Retailer 6$1,461 NZD

6 data points across 7 retailers

2 retailers$826 NZD to $892 NZD

B+
Cheapest Retailer
-
$826 NZD
Final sale: no returns
Most Expensive
B+
ZCOVA
5546045873 · Nov 6
$892 NZD
MYR 2,015 MYR
View
1 more retailer has this diamond
Prices start from $826 NZDSave up to $66 NZD

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 Radiant
$826 NZD