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Heart|Natural|GIA

2.51ct H SI2 Heart Natural Diamond

GD • H/SI2 • GIA 6552036750

Certificate GIA 6552036750

Diamond specifications and retailer prices

From $14,630 AUD
As of November 6, 2026
Save $13,521 AUD (48%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $28,150 AUD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6552036750. Listed at 16 retailers as of November 5, 2026, with prices from $14,630 to $28,150, a $13,521 spread on the same certified stone. NZ Jewellers lists it at $28,150. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552036750
Dimensions8.31 × 9.05 × 5.39 mm
L/W Ratio1.09
Top View
8.31 mm9.05 mm2.51 ctH / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552036750
Side View
Table 56.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 59.6%

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: Nov 6
Current: $28,150 AUD|Low: $14,630 AUD|High: $28,150 AUD|Avg: $19,877 AUD
NZ Jewellers
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
Retailer 16
November 7, 2026
Retailer 9$14,630 AUD
Retailer 7$16,303 AUD
Retailer 13$17,264 AUD
Retailer 8$17,296 AUD
Retailer 3$17,685 AUD
Retailer 2$18,139 AUD
Retailer 6$18,644 AUD
Retailer 10$19,328 AUD
Retailer 15$19,887 AUD
Retailer 4$20,197 AUD
Retailer 11$20,306 AUD
Retailer 14$20,530 AUD
Retailer 16$20,691 AUD
Retailer 5$20,974 AUD
Retailer 12$26,306 AUD
NZ Jewellers$28,150 AUD

27 data points across 16 retailers

16 retailers$14,630 AUD to $28,150 AUD

A
Cheapest Retailer
-
$14,630 AUD
B+
Retailer 2
-
$16,303 AUD
View
Final sale: no returns
A
Retailer 3
-
$17,264 AUD
View
B+
Retailer 4
-
$17,296 AUD
View
B+
Retailer 5
-
$17,685 AUD
View
B+
Retailer 6
-
$18,139 AUD
View
Retailer 7
-
$18,644 AUD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$19,328 AUD
View
B+
Retailer 9
-
$19,887 AUD
View
B+
Retailer 10
-
$20,197 AUD
View
B+
Retailer 11
-
$20,306 AUD
View
B+
Retailer 12
-
$20,530 AUD
View
B+
Retailer 13
-
$20,691 AUD
View
B+
Retailer 14
-
$20,974 AUD
View
B+
Retailer 15
-
$26,306 AUD
View
Most Expensive
B
NZ Jewellers
649c2fb5-d022-4158-9254-4b4df1448fd2 · Nov 5
$28,150 AUD
$19,342 USD
View
15 more retailers have this diamond
Prices start from $14,630 AUDSave up to $13,521 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
$14,630 AUD