Heart|Natural|GIA

0.51ct F IF Heart Natural Diamond

EX • F/IF • GIA 6535190740

Certificate GIA 6535190740

Diamond specifications and retailer prices

From $877 USD
As of November 5, 2026
Save $233 USD (21%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,503 USD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6535190740. Listed at 9 retailers as of November 5, 2026, with a 27% 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
F
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 6535190740
Dimensions4.90 × 5.53 × 3.28 mm
L/W Ratio1.13
Top View
4.90 mm5.53 mm0.51 ctF / IF
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6535190740
Side View
Table 60.0%CrownGirdle: MED-THKPavilion 41.9°Culet: NoneDepth 59.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $877 USD|Low: $484 USD|High: $1,465 USD|Avg: $939 USD|+0.1%
Retailer 1
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 9$588 USD
Retailer 8$606 USD
Retailer 12$714 USD
Retailer 15$728 USD
Retailer 13$750 USD
Retailer 4$754 USD
Retailer 11$756 USD
Retailer 1$877 USD
Retailer 10$895 USD
Retailer 6$1,076 USD
Retailer 3$1,078 USD
Retailer 14$1,109 USD
Retailer 7$1,110 USD
Retailer 5$1,181 USD
Retailer 2$1,329 USD

15 data points across 15 retailers

9 retailers$877 USD to $1,110 USD

Retailer 1
-
$714 USD
Price last confirmed 34 days ago
Retailer 2
-
$728 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$750 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$754 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$877 USD
View
Retailer 6
-
$1,078 USD
View
Price last confirmed 34 days ago
Retailer 7
-
$1,109 USD
View
Price last confirmed 34 days ago
B+
Retailer 8
-
$1,110 USD
View
Most Expensive
NZ Jewellers
a7c790af-cced-4a02-a791-35f24c133178 · Sep 25
$2,503 USD
View
Price last confirmed 42 days ago
8 more retailers have this diamond
Prices start from $877 USDSave up to $233 USD

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 Heart
$877 USD