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Round|Natural|GIA

0.50ct G I1 Round Natural Diamond

VG • G/I1 • GIA 6237870649

Certificate GIA 6237870649

Diamond specifications and retailer prices

From $1,385 NZD
$779 USD
As of October 31, 2026
Save $763 NZD (36%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,795 NZD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 0.5ct natural round diamond

This 0.5ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6237870649. Listed at 8 retailers as of October 31, 2026, with a 55% 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

0.50
Carat
G
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6237870649
Dimensions5.04 × 5.07 × 3.13 mm
L/W Ratio1.01
Top View
5.04 mm5.07 mm0.50 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6237870649
Side View
Table 57.0%Crown 33.5°Girdle: STK-THKPavilion 40.4°CuletDepth 61.8%

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: Oct 31
Current: $4,795 NZD|Low: $1,385 NZD|High: $4,795 NZD|Avg: $1,988 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$1,385 NZD
Retailer 7$1,385 NZD
Retailer 9$1,406 NZD
Retailer 4$1,436 NZD
Retailer 3$1,438 NZD
Retailer 6$1,598 NZD
Retailer 2$2,148 NZD
Retailer 8$2,238 NZD
NZ Jewellers$4,795 NZD

14 data points across 9 retailers

8 retailers$1,385 NZD to $2,148 NZD

B+
Cheapest Retailer
-
$1,385 NZD
$779 USD
B+
Retailer 2
-
$1,385 NZD
$779 USD
View
B
Retailer 3
-
$1,406 NZD
$791 USD
View
B
Retailer 4
-
$1,436 NZD
$808 USD
View
B
Retailer 5
-
$1,438 NZD
$809 USD
View
B
Retailer 6
-
$1,598 NZD
$899 USD
View
B
Retailer 7
-
$2,148 NZD
€1,151 EUR
View
Most Expensive
NZ Jewellers
d074e445-4868-4a46-a2b6-fabd14cfd661 · Nov 2
$4,795 NZD
$2,698 USD
View
Price under review
7 more retailers have this diamond
Prices start from $1,385 NZDSave up to $763 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+
0.50ct Round
$1,385 NZD