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Radiant|Natural|GIA

0.51ct D SI2 Radiant Natural Diamond

GD • D/SI2 • GIA 6541584260

Certificate GIA 6541584260

Diamond specifications and retailer prices

From $869 NZD
$490 USD
As of November 2, 2026
Save $1,508 NZD (63%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,378 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 6541584260. Listed at 3 retailers as of October 31, 2026, with prices from $869 to $2,378, a $1,508 spread on the same certified stone. Do Amore Diamonds lists it at $2,378. 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
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6541584260
Dimensions5.15 × 4.08 × 2.77 mm
L/W Ratio1.26
Top View
5.15 mm4.08 mm0.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541584260
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.8%

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 2
Current: $2,378 NZD|Low: $768 NZD|High: $2,590 NZD|Avg: $1,310 NZD|-8.2%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 17, 2026
Retailer 2$869 NZD
Retailer 3$941 NZD
Retailer 5$985 NZD
Retailer 4$1,054 NZD
Retailer 6$1,494 NZD
Do Amore Diamonds$2,378 NZD

7 data points across 6 retailers

3 retailers$869 NZD to $2,378 NZD

B+
Cheapest Retailer
-
$869 NZD
$490 USD
Final sale: no returns
A
Retailer 2
-
$941 NZD
MYR 2,161 MYR
View
Most Expensive
B
Do Amore Diamonds
12-100767690946 · Oct 31
$2,378 NZD
$1,340 USD
View
2 more retailers have this diamond
Prices start from $869 NZDSave up to $1,508 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
$869 NZD