Heart|Natural|HRD

5.12ct J SI1 Heart Natural Diamond

EX • J/SI1 • HRD 250000007277

Certificate HRD 250000007277

Diamond specifications and retailer prices

From €34,807 EUR
As of October 29, 2026
Save €22,601 EUR (39%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €57,408 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 5.12ct natural heart diamond

This 5.12ct natural heart sits in the over five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by HRD 250000007277. Listed at 10 retailers as of October 29, 2026, with prices from €34,807 to €57,408, a €22,601 spread on the same certified stone. MOH London lists it at €57,408. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.12
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 250000007277
Dimensions11.83 × 10.28 × 7.04 mm
L/W Ratio1.15
Culet sizePointed
Top View
11.83 mm10.28 mm5.12 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 250000007277
Side View
Table 63.0%CrownGirdlePavilionCulet: NoneDepth 59.5%

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: Oct 29
Current: €57,408 EUR|Low: €34,807 EUR|High: €58,099 EUR|Avg: €42,274 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10€34,807 EUR
Retailer 9€37,192 EUR
Retailer 2€37,338 EUR
Retailer 5€38,290 EUR
Retailer 4€40,574 EUR
Retailer 8€42,264 EUR
Retailer 7€43,955 EUR
Retailer 3€44,601 EUR
Retailer 6€45,646 EUR
MOH London€57,408 EUR

31 data points across 10 retailers

10 retailers€34,807 EUR to €57,408 EUR

A
Cheapest Retailer
-
€34,807 EUR
B+
Retailer 2
-
€37,192 EUR
$41,551 USD
View
Final sale: no returns
A
Retailer 3
-
€37,338 EUR
£32,846 GBP
View
B+
Retailer 4
-
€38,290 EUR
$42,778 USD
View
B+
Retailer 5
-
€40,574 EUR
$45,330 USD
View
B+
Retailer 6
-
€42,264 EUR
$47,218 USD
View
B+
Retailer 7
-
€43,955 EUR
$49,107 USD
View
B+
Retailer 8
-
€44,601 EUR
View
B+
Retailer 9
-
€45,646 EUR
$50,996 USD
View
Most Expensive
B
MOH London
2ED13729E · Nov 1
€57,408 EUR
£50,501 GBP
View
9 more retailers have this diamond
Prices start from €34,807 EURSave up to €22,601 EUR

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
5.12ct Heart
€34,807 EUR