Heart|Natural|GIA

0.51ct F IF Heart Natural Diamond

GD • F/IF • GIA 6461620001

Certificate GIA 6461620001

Diamond specifications and retailer prices

From $2,163 NZD
As of November 6, 2026
Save $2,160 NZD (50%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,323 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded F 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 6461620001. Listed at 12 retailers as of November 4, 2026, with prices from $2,163 to $4,323, a $2,160 spread on the same certified stone. MOH London lists it at $4,323. 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
F
Colour
IF
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6461620001
Dimensions4.89 × 4.20 × 2.90 mm
L/W Ratio1.16
Top View
4.89 mm4.20 mm0.51 ctF / IF
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6461620001
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.0%

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: Nov 6
Current: $4,323 NZD|Low: $2,163 NZD|High: $4,387 NZD|Avg: $3,097 NZD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 7, 2026
Retailer 5$2,163 NZD
Retailer 4$2,417 NZD
Retailer 3$2,646 NZD
Retailer 9$3,094 NZD
Retailer 6$3,252 NZD
Retailer 2$3,261 NZD
Retailer 8$3,651 NZD
Retailer 7$4,232 NZD
MOH London$4,323 NZD

37 data points across 9 retailers

12 retailers$2,163 NZD to $4,323 NZD

B+
Cheapest Retailer
-
$2,163 NZD
Final sale: no returns
B+
Retailer 2
-
$2,194 NZD
View
B
Retailer 3
-
$2,417 NZD
View
B
Retailer 4
-
$2,571 NZD
View
B
Retailer 5
-
$2,608 NZD
View
B
Retailer 6
-
$2,646 NZD
View
Retailer 7
-
$3,094 NZD
View
Price last confirmed 34 days ago
B
Retailer 8
-
$3,252 NZD
View
Retailer 9
-
$3,261 NZD
View
B
Retailer 10
-
$3,651 NZD
View
B
Retailer 11
-
$4,232 NZD
View
Most Expensive
B
MOH London
336785F59 · Nov 4
$4,323 NZD
£1,887 GBP
View
11 more retailers have this diamond
Prices start from $2,163 NZDSave up to $2,160 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 Heart
$2,163 NZD