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Heart|Natural|GIA

2.51ct I SI2 Heart Natural Diamond

ID • I/SI2 • GIA 1545265058

Certificate GIA 1545265058

Diamond specifications and retailer prices

From €12,709 EUR
$14,199 USD
As of October 29, 2026
Save €7,018 EUR (36%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €19,727 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.51ct natural heart diamond

This 2.51ct natural heart sits in the two to three carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545265058. Listed at 13 retailers as of October 29, 2026, with prices from €12,709 to €19,727, a €7,018 spread on the same certified stone. MOH London lists it at €19,727. 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

2.51
Carat
I
Color
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
OriginNatural
Grading LabGIA
CertificateGIA 1545265058
Dimensions9.45 × 8.43 × 5.25 mm
L/W Ratio1.12
Cert comments
Additional twinning wisps, additional clouds, pinpoints and surface graining are not shown.
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle, Indented Natural
Top View
9.45 mm8.43 mm2.51 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545265058
Side View
Table 56.0%Crown 36.9°Girdle: STK-VTKPavilionCulet: NoneDepth 55.6%

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: €19,727 EUR|Low: €12,564 EUR|High: €19,965 EUR|Avg: €14,975 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4€12,709 EUR
Retailer 12€12,781 EUR
Retailer 11€12,818 EUR
Retailer 3€13,362 EUR
Retailer 2€13,495 EUR
Retailer 9€13,943 EUR
Retailer 6€14,734 EUR
Retailer 10€14,873 EUR
Retailer 5€15,105 EUR
Retailer 8€15,686 EUR
Retailer 7€17,895 EUR
MOH London€19,727 EUR

35 data points across 12 retailers

13 retailers€12,709 EUR to €19,727 EUR

A
Cheapest Retailer
-
€12,709 EUR
$14,199 USD
A
Retailer 2
-
€12,781 EUR
$14,279 USD
View
A
Retailer 3
-
€12,818 EUR
$14,320 USD
View
A
Retailer 4
-
€13,362 EUR
$14,928 USD
View
Final sale: no returns
A
Retailer 5
-
€13,495 EUR
£11,871 GBP
View
Retailer 6
-
€13,943 EUR
$15,577 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
€14,734 EUR
£12,962 GBP
View
Retailer 8
-
€14,873 EUR
$16,616 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
€15,105 EUR
$16,875 USD
View
B+
Retailer 10
-
€15,489 EUR
$17,304 USD
View
B+
Retailer 11
-
€15,686 EUR
$17,524 USD
View
B
Retailer 12
-
€17,895 EUR
$19,992 USD
View
Most Expensive
B
MOH London
CE4B72A89 · Nov 1
€19,727 EUR
£17,354 GBP
View
12 more retailers have this diamond
Prices start from €12,709 EURSave up to €7,018 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
2.51ct Heart
€12,709 EUR