Heart|Natural|GIA

0.51ct I IF Heart Natural Diamond

EX • I/IF • GIA 7546085420

Certificate GIA 7546085420

Diamond specifications and retailer prices

From $448 USD
As of November 4, 2026
Save $816 USD (65%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,264 USD at MOH London · As of November 2, 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 I colour (near-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 7546085420. Listed at 14 retailers as of November 2, 2026, with prices from $448 to $1,264, a $816 spread on the same certified stone. MOH London lists it at $1,264. 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
I
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Pavilion angle37.8°
OriginNatural
Grading LabGIA
CertificateGIA 7546085420
Dimensions4.65 × 5.50 × 3.27 mm
L/W Ratio1.18
Girdle conditionFaceted
Top View
4.65 mm5.50 mm0.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7546085420
Side View
Table 59.0%CrownGirdle: STK-VTKPavilion 37.8°Culet: NoneDepth 59.5%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: $1,264 USD|Low: $365 USD|High: $1,297 USD|Avg: $679 USD|-2.5%
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
November 6, 2026
Retailer 11$448 USD
Retailer 12$504 USD
Retailer 5$510 USD
Retailer 4$561 USD
Retailer 8$566 USD
Retailer 10$575 USD
Retailer 2$612 USD
Retailer 6$688 USD
Retailer 3$745 USD
Retailer 13$756 USD
Retailer 9$802 USD
Retailer 7$844 USD
MOH London$1,264 USD

30 data points across 13 retailers

14 retailers$448 USD to $1,264 USD

A
Cheapest Retailer
-
$448 USD
A
Retailer 2
-
$504 USD
View
Final sale: no returns
A
Retailer 3
-
$510 USD
View
Retailer 4
-
$561 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$566 USD
View
A
Retailer 6
-
$575 USD
View
A
Retailer 7
-
$612 USD
View
A
Retailer 8
-
$688 USD
View
A
Retailer 9
-
$745 USD
View
B+
Retailer 10
-
$756 USD
View
B+
Retailer 11
-
$802 USD
View
Retailer 12
-
$822 USD
View
Price last confirmed 33 days ago
B+
Retailer 13
-
$844 USD
View
Most Expensive
B
MOH London
43628ED66 · Nov 2
$1,264 USD
£995 GBP
View
13 more retailers have this diamond
Prices start from $448 USDSave up to $816 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
$448 USD