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Heart|Natural|GIA

1.50ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 7551083284

Certificate GIA 7551083284

Diamond specifications and retailer prices

From $5,414 AUD
As of November 6, 2026
Save $2,247 AUD (29%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,661 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1.5ct natural heart diamond

This 1.5ct natural heart sits in the one-and-a-half to two carat band, graded H 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 7551083284. Listed at 8 retailers as of November 6, 2026, with prices from $5,414 to $7,661, a $2,247 spread on the same certified stone. GemTrove lists it at $7,661. 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

1.50
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551083284
Dimensions6.98 × 7.98 × 4.74 mm
L/W Ratio1.14
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Natural
Top View
6.98 mm7.98 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7551083284
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 59.4%

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: $5,679 AUD|Low: $4,979 AUD|High: $7,364 AUD|Avg: $6,053 AUD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$5,414 AUD
Retailer 3$5,555 AUD
Retailer 7$5,651 AUD
Retailer 1$5,679 AUD
Retailer 2$5,771 AUD
Retailer 6$5,803 AUD
Retailer 5$6,436 AUD

42 data points across 7 retailers

8 retailers$5,414 AUD to $7,661 AUD

A
Cheapest Retailer
-
$5,414 AUD
A
Retailer 2
-
$5,555 AUD
View
Final sale: no returns
A
Retailer 3
-
$5,651 AUD
View
A
Retailer 4
-
$5,679 AUD
View
A
Retailer 5
-
$5,771 AUD
View
A
Retailer 6
-
$5,803 AUD
View
A
Retailer 7
-
$6,436 AUD
View
Most Expensive
B+
GemTrove
GT-N-01269746-98 · Nov 6
$7,661 AUD
View
7 more retailers have this diamond
Prices start from $5,414 AUDSave up to $2,247 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
1.50ct Heart
$5,414 AUD