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Heart|Natural|GIA

1.51ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 2567084429

Certificate GIA 2567084429

Diamond specifications and retailer prices

From $4,442 AUD
As of November 6, 2026
Save $1,582 AUD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,024 AUD at GemTrove · As of November 7, 2026
View at GemTrove

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two 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 2567084429. Listed at 6 retailers as of November 6, 2026, with prices from $4,442 to $6,024, a $1,582 spread on the same certified stone. GemTrove lists it at $6,024. 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

1.51
Carat
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2567084429
Dimensions7.23 × 8.13 × 4.51 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural
Top View
7.23 mm8.13 mm1.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2567084429
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 55.5%

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: $4,442 AUD|Low: $4,442 AUD|High: $5,520 AUD|Avg: $4,941 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 1$4,442 AUD
Retailer 3$4,510 AUD
Retailer 2$4,819 AUD
Retailer 4$5,274 AUD

45 data points across 4 retailers

6 retailers$4,442 AUD to $6,024 AUD

A
Cheapest Retailer
-
$4,442 AUD
A
Retailer 2
-
$4,510 AUD
View
A
Retailer 3
-
$4,819 AUD
View
A
Retailer 4
-
$5,274 AUD
View
B+
Retailer 5
-
$5,657 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269532-98 · Nov 7
$6,024 AUD
View
5 more retailers have this diamond
Prices start from $4,442 AUDSave up to $1,582 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
1.51ct Heart
$4,442 AUD