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Heart|Natural|GIA

2.51ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 7518412345

Certificate GIA 7518412345

Diamond specifications and retailer prices

From $16,581 AUD
₹1,106,701 INR
As of November 2, 2026
Save $11,446 AUD (41%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $28,027 AUD 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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7518412345. Listed at 15 retailers as of November 1, 2026, with prices from $16,581 to $28,027, a $11,446 spread on the same certified stone. MOH London lists it at $28,027. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.57°
Pavilion angle37.98°
OriginNatural
Grading LabGIA
CertificateGIA 7518412345
Dimensions8.59 × 9.26 × 5.21 mm
L/W Ratio1.08
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
8.59 mm9.26 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518412345
Side View
Table 61.0%Crown 40.57°Girdle: ThickPavilion 37.98°Culet: NoneDepth 56.3%

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 2
Current: $28,027 AUD|Low: $16,264 AUD|High: $29,228 AUD|Avg: $21,483 AUD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 2$16,581 AUD
Retailer 7$16,899 AUD
Retailer 8$18,378 AUD
Retailer 6$18,464 AUD
Retailer 10$18,982 AUD
Retailer 4$19,152 AUD
Retailer 9$21,941 AUD
Retailer 5$21,995 AUD
Retailer 3$22,606 AUD
MOH London$28,027 AUD

37 data points across 10 retailers

15 retailers$16,581 AUD to $28,027 AUD

A
Cheapest Retailer
-
$16,581 AUD
₹1,106,701 INR
A
Retailer 2
-
$16,899 AUD
View
A
Retailer 3
-
$18,378 AUD
$12,880 USD
View
A
Retailer 4
-
$18,464 AUD
$12,940 USD
View
A
Retailer 5
-
$18,982 AUD
$13,303 USD
View
Final sale: no returns
A
Retailer 6
-
$19,152 AUD
£10,569 GBP
View
Retailer 7
-
$21,773 AUD
$15,259 USD
View
Price last confirmed 32 days ago
A
Retailer 8
-
$21,941 AUD
$15,377 USD
View
A
Retailer 9
-
$21,995 AUD
$15,414 USD
View
Retailer 10
-
$22,114 AUD
$15,498 USD
View
Price last confirmed 32 days ago
A
Retailer 11
-
$22,606 AUD
€15,088 EUR
View
Retailer 12
-
$22,965 AUD
$16,094 USD
View
Price last confirmed 56 days ago
Retailer 13
-
$22,965 AUD
$16,094 USD
View
Price last confirmed 34 days ago
Retailer 14
-
$26,198 AUD
$18,360 USD
View
Price last confirmed 33 days ago
Most Expensive
B+
MOH London
EFE8F5139 · Nov 1
$28,027 AUD
£15,466 GBP
View
14 more retailers have this diamond
Prices start from $16,581 AUDSave up to $11,446 AUD

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
$16,581 AUD