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Heart|Natural|GIA

2.51ct H SI2 Heart Natural Diamond

GD • H/SI2 • GIA 2526909324

Certificate GIA 2526909324

Diamond specifications and retailer prices

From $19,133 AUD
As of November 6, 2026
Save $13,504 AUD (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $32,636 AUD at MOH London · As of November 4, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2526909324. Listed at 14 retailers as of November 4, 2026, with prices from $19,133 to $32,636, a $13,504 spread on the same certified stone. MOH London lists it at $32,636. 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

2.51
Carat
H
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2526909324
Dimensions7.84 × 9.40 × 5.79 mm
L/W Ratio1.20
Top View
7.84 mm9.40 mm2.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2526909324
Side View
Table 64.0%CrownGirdlePavilionCulet: NDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $32,636 AUD|Low: $19,133 AUD|High: $34,871 AUD|Avg: $24,534 AUD|-5.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 13$19,133 AUD
Retailer 9$19,264 AUD
Retailer 3$20,080 AUD
Retailer 11$20,953 AUD
Retailer 4$21,128 AUD
Retailer 2$21,904 AUD
Retailer 10$22,351 AUD
Retailer 12$22,372 AUD
Retailer 8$22,700 AUD
Retailer 7$23,573 AUD
Retailer 6$23,978 AUD
Retailer 5$29,684 AUD
MOH London$32,636 AUD

40 data points across 13 retailers

14 retailers$19,133 AUD to $32,636 AUD

B+
Cheapest Retailer
-
$19,133 AUD
B+
Retailer 2
-
$19,264 AUD
View
B+
Retailer 3
-
$20,080 AUD
View
Final sale: no returns
B+
Retailer 4
-
$20,638 AUD
View
Retailer 5
-
$20,953 AUD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$21,128 AUD
View
B+
Retailer 7
-
$21,904 AUD
View
B+
Retailer 8
-
$22,351 AUD
View
B+
Retailer 9
-
$22,372 AUD
View
B+
Retailer 10
-
$22,700 AUD
View
B+
Retailer 11
-
$23,573 AUD
View
B+
Retailer 12
-
$23,978 AUD
View
B
Retailer 13
-
$29,684 AUD
View
Most Expensive
B
MOH London
65F2DD029 · Nov 4
$32,636 AUD
£17,657 GBP
View
13 more retailers have this diamond
Prices start from $19,133 AUDSave up to $13,504 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.

B+
2.51ct Heart
$19,133 AUD