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Round|Natural|GIA

0.51ct J IF Round Natural Diamond

EX • J/IF • GIA 6555934929

Certificate GIA 6555934929

Diamond specifications and retailer prices

From $918 NZD
As of November 6, 2026
Save $2,884 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,511 NZD at MOH London · As of November 2, 2026
View at MOH London

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6555934929. Listed at 18 retailers as of November 5, 2026, with a 314% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.51
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555934929
Dimensions5.08 × 5.11 × 3.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.08 mm5.11 mm0.51 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555934929
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,511 NZD|Low: $916 NZD|High: $6,009 NZD|Avg: $1,933 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 2$918 NZD
Retailer 9$1,118 NZD
Retailer 14$1,127 NZD
Retailer 13$1,658 NZD
Retailer 11$1,835 NZD
Retailer 4$2,199 NZD
Retailer 15$2,275 NZD
Retailer 10$2,464 NZD
Retailer 8$2,553 NZD
Retailer 18$2,578 NZD
Retailer 7$2,652 NZD
Retailer 17$2,843 NZD
Retailer 3$2,859 NZD
Retailer 5$2,921 NZD
Retailer 6$3,072 NZD
Retailer 12$3,803 NZD
MOH London$4,511 NZD
Retailer 16$6,009 NZD

33 data points across 18 retailers

18 retailers$918 NZD to $3,803 NZD

A
Cheapest Retailer
-
$918 NZD
A
Retailer 2
-
$1,118 NZD
View
A
Retailer 3
-
$1,127 NZD
View
B+
Retailer 4
-
$1,658 NZD
View
B+
Retailer 5
-
$1,835 NZD
View
B
Retailer 6
-
$2,199 NZD
View
B
Retailer 7
-
$2,275 NZD
View
Final sale: no returns
B
Retailer 8
-
$2,464 NZD
View
B
Retailer 9
-
$2,553 NZD
View
B
Retailer 10
-
$2,578 NZD
View
B
Retailer 11
-
$2,652 NZD
View
B
Retailer 12
-
$2,843 NZD
View
B
Retailer 13
-
$2,859 NZD
View
B
Retailer 14
-
$2,921 NZD
View
B
Retailer 15
-
$3,072 NZD
View
B
Retailer 16
-
$3,803 NZD
View
Most Expensive
MOH London
138C7BBD1 · Nov 2
$4,511 NZD
£1,969 GBP
View
Price under review
16 more retailers have this diamond
Prices start from $918 NZDSave up to $2,884 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.

A
0.51ct Round
$918 NZD