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Heart|Natural|GIA

0.51ct H VS1 Heart Natural Diamond

GD • H/VS1 • GIA 1549283420

Certificate GIA 1549283420

Diamond specifications and retailer prices

From £400 GBP
As of November 6, 2026
Save £96 GBP (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £496 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.51ct natural heart diamond

This 0.51ct natural heart sits in the half to three-quarter carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1549283420. Listed at 4 retailers as of November 5, 2026, with prices from £400 to £496, a £96 spread on the same certified stone. 77 Diamonds lists it at £496. 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
H
Colour
VS1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549283420
Dimensions4.91 × 5.70 × 3.29 mm
L/W Ratio1.16
Culet sizeNone
Key to symbols
Cloud, Crystal, Needle, Pinpoint
Top View
4.91 mm5.70 mm0.51 ctH / VS1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549283420
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.7%

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 6
Current: £496 GBP|Low: £374 GBP|High: £557 GBP|Avg: £457 GBP|-9.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 2£400 GBP
Retailer 3£409 GBP
Retailer 4£447 GBP
77 Diamonds£496 GBP

40 data points across 4 retailers

4 retailers£400 GBP to £496 GBP

A
Cheapest Retailer
-
£400 GBP
A
Retailer 2
-
£409 GBP
View
Final sale: no returns
B+
Retailer 3
-
£447 GBP
View
Most Expensive
B+
77 Diamonds
HSCPEZUJ5MAJ · Nov 5
£496 GBP
View
3 more retailers have this diamond
Prices start from £400 GBPSave up to £96 GBP

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
£400 GBP