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Radiant|Natural|GIA

0.51ct D IF Radiant Natural Diamond

GD • D/IF • GIA 6551234500

Certificate GIA 6551234500

Diamond specifications and retailer prices

From $1,229 NZD
As of November 4, 2026
Save $3,963 NZD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $5,193 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.51ct natural radiant diamond

This 0.51ct natural radiant sits in the half to three-quarter carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6551234500. Listed at 16 retailers as of November 5, 2026, with prices from $1,229 to $5,193, a $3,963 spread on the same certified stone. NZ Jewellers lists it at $5,193. 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
D
Colour
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551234500
Dimensions5.32 × 3.98 × 2.74 mm
L/W Ratio1.34
Top View
5.32 mm3.98 mm0.51 ctD / IF
OriginNatural
CutGood
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateGIA 6551234500
Side View
Table 67.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 68.9%

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 4
Current: $5,193 NZD|Low: $1,229 NZD|High: $5,322 NZD|Avg: $2,023 NZD|-2.4%
NZ Jewellers
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
November 5, 2026
Retailer 2$1,229 NZD
Retailer 7$1,229 NZD
Retailer 9$1,286 NZD
Retailer 13$1,528 NZD
Retailer 8$1,530 NZD
Retailer 15$1,656 NZD
Retailer 11$1,663 NZD
Retailer 14$1,720 NZD
Retailer 6$1,734 NZD
Retailer 3$1,777 NZD
Retailer 4$1,907 NZD
Retailer 12$2,142 NZD
Retailer 5$2,184 NZD
Retailer 10$3,029 NZD
NZ Jewellers$5,193 NZD

26 data points across 15 retailers

16 retailers$1,229 NZD to $5,193 NZD

A
Cheapest Retailer
-
$1,229 NZD
A
Retailer 2
-
$1,229 NZD
View
A
Retailer 3
-
$1,286 NZD
View
Final sale: no returns
Retailer 4
-
$1,528 NZD
View
Price last confirmed 3 days ago
A
Retailer 5
-
$1,530 NZD
View
A
Retailer 6
-
$1,656 NZD
View
A
Retailer 7
-
$1,663 NZD
View
A
Retailer 8
-
$1,720 NZD
View
Retailer 9
-
$1,734 NZD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$1,777 NZD
View
B+
Retailer 11
-
$1,907 NZD
View
B+
Retailer 12
-
$2,142 NZD
View
B+
Retailer 13
-
$2,184 NZD
View
Retailer 14
-
$2,613 NZD
View
Price last confirmed 33 days ago
B
Retailer 15
-
$3,029 NZD
View
Most Expensive
B
NZ Jewellers
87dab150-77a9-465f-878a-5b067b58645c · Nov 5
$5,193 NZD
$2,919 USD
View
15 more retailers have this diamond
Prices start from $1,229 NZDSave up to $3,963 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 Radiant
$1,229 NZD