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Heart|Natural|GIA

2.50ct G SI1 Heart Natural Diamond

ID • G/SI1 • GIA 1525682817

Certificate GIA 1525682817

Diamond specifications and retailer prices

From $28,492 AUD
As of November 4, 2026
Save $19,912 AUD (41%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $48,405 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 2.5ct natural heart diamond

This 2.5ct natural heart sits in the two to three carat band, graded G 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 GIA 1525682817. Listed at 19 retailers as of November 2, 2026, with prices from $28,492 to $48,405, a $19,912 spread on the same certified stone. MOH London lists it at $48,405. 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

2.50
Carat
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1525682817
Dimensions8.09 × 9.33 × 5.52 mm
L/W Ratio1.15
Key to symbols
Crystal
Top View
8.09 mm9.33 mm2.50 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1525682817
Side View
Table 64.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 59.1%

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 4
Current: $48,405 AUD|Low: $28,492 AUD|High: $48,989 AUD|Avg: $35,668 AUD|-1.2%
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
Retailer 14
Retailer 15
November 7, 2026
Retailer 5$28,492 AUD
Retailer 6$29,702 AUD
Retailer 10$30,994 AUD
Retailer 2$31,418 AUD
Retailer 3$31,626 AUD
Retailer 7$32,014 AUD
Retailer 12$32,514 AUD
Retailer 15$32,543 AUD
Retailer 13$33,236 AUD
Retailer 9$33,518 AUD
Retailer 14$35,566 AUD
Retailer 11$38,003 AUD
Retailer 4$42,856 AUD
Retailer 8$43,908 AUD
MOH London$48,405 AUD

39 data points across 15 retailers

19 retailers$28,492 AUD to $48,405 AUD

B+
Cheapest Retailer
-
$28,492 AUD
B+
Retailer 2
-
$29,702 AUD
View
Final sale: no returns
Retailer 3
-
$30,236 AUD
View
Price last confirmed 4 days ago
B+
Retailer 4
-
$30,994 AUD
View
Retailer 5
-
$31,252 AUD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$31,418 AUD
View
B+
Retailer 7
-
$31,626 AUD
View
Retailer 8
-
$32,014 AUD
View
Price last confirmed 34 days ago
B+
Retailer 9
-
$32,514 AUD
View
B+
Retailer 10
-
$32,543 AUD
View
B+
Retailer 11
-
$33,236 AUD
View
B+
Retailer 12
-
$33,518 AUD
View
B+
Retailer 13
-
$33,576 AUD
View
B+
Retailer 14
-
$34,868 AUD
View
B
Retailer 15
-
$35,566 AUD
View
B+
Retailer 16
-
$38,003 AUD
View
B
Retailer 17
-
$42,856 AUD
View
B
Retailer 18
-
$43,908 AUD
View
Most Expensive
B
MOH London
25B88419C · Nov 2
$48,405 AUD
£26,188 GBP
View
18 more retailers have this diamond
Prices start from $28,492 AUDSave up to $19,912 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+
2.50ct Heart
$28,492 AUD