CaratHunter
Plans
Heart|Natural|GIA

0.51ct E SI1 Heart Natural Diamond

GD • E/SI1 • GIA 7522341885

Certificate GIA 7522341885

Diamond specifications and retailer prices

From £299 GBP
As of November 6, 2026
Save £85 GBP (22%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £384 GBP at 77 Diamonds · As of November 6, 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 E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 7522341885. Listed at 4 retailers as of November 6, 2026, with prices from £299 to £384, a £85 spread on the same certified stone. 77 Diamonds lists it at £384. 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
E
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7522341885
Dimensions4.75 × 5.61 × 3.33 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
4.75 mm5.61 mm0.51 ctE / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7522341885
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 59.4%

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: £384 GBP|Low: £276 GBP|High: £427 GBP|Avg: £339 GBP|-8.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£299 GBP
Retailer 2£310 GBP
Retailer 3£337 GBP
77 Diamonds£384 GBP

42 data points across 4 retailers

4 retailers£299 GBP to £384 GBP

A
Cheapest Retailer
-
£299 GBP
A
Retailer 2
-
£310 GBP
View
Final sale: no returns
B+
Retailer 3
-
£337 GBP
View
Most Expensive
B+
77 Diamonds
HSCPVATZ53NE · Nov 6
£384 GBP
View
3 more retailers have this diamond
Prices start from £299 GBPSave up to £85 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
£299 GBP