Heart|Natural|HRD

1.53ct I SI2 Heart Natural Diamond

I/SI2 • HRD 190000113144

Certificate HRD 190000113144

Diamond specifications and retailer prices

From £4,075 GBP
As of November 5, 2026
Save £2,689 GBP (40%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £6,763 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included) and certified by HRD 190000113144. Listed at 3 retailers as of November 4, 2026, with prices from £4,075 to £6,763, a £2,689 spread on the same certified stone. MOH London lists it at £6,763. 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

1.53
Carat
I
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabHRD
CertificateHRD 190000113144
Dimensions6.60 × 7.31 × 3.56 mm
L/W Ratio1.11
Girdle conditionFaceted
Top View
6.60 mm7.31 mm1.53 ctI / SI2
OriginNatural
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateHRD 190000113144
Side View
Table 58.0%CrownGirdle: Extremely ThickPavilionCuletDepth 48.7%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £6,763 GBP|Low: £4,075 GBP|High: £6,863 GBP|Avg: £4,989 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 4£4,075 GBP
Retailer 3£4,346 GBP
Retailer 2£4,735 GBP
MOH London£6,763 GBP

26 data points across 4 retailers

3 retailers£4,075 GBP to £6,763 GBP

B
Cheapest Retailer
-
£4,075 GBP
B
Retailer 2
-
£4,735 GBP
View
Most Expensive
C
MOH London
1C4511FF3 · Nov 4
£6,763 GBP
View
2 more retailers have this diamond
Prices start from £4,075 GBPSave up to £2,689 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.

B
1.53ct Heart
£4,075 GBP