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Heart|Natural|GIA

1.55ct H SI2 Heart Natural Diamond

EX • H/SI2 • GIA 6552148120

Certificate GIA 6552148120

Diamond specifications and retailer prices

From $4,081 AUD
$2,867 USD
As of October 31, 2026
Save $1,691 AUD (29%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $5,772 AUD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.55ct natural heart diamond

This 1.55ct natural heart sits in the one-and-a-half to two carat band, graded H 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 6552148120. Listed at 6 retailers as of October 31, 2026, with prices from $4,081 to $5,772, a $1,691 spread on the same certified stone. GemTrove lists it at $5,772. 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

1.55
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552148120
Dimensions6.93 × 8.07 × 4.80 mm
L/W Ratio1.16
Top View
6.93 mm8.07 mm1.55 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552148120
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.5%

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: Oct 31
Current: $4,407 AUD|Low: $3,696 AUD|High: $5,472 AUD|Avg: $4,552 AUD|-13.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4$4,081 AUD
Retailer 3$4,160 AUD
Retailer 2$4,250 AUD
Retailer 1$4,407 AUD
Retailer 5$4,805 AUD

46 data points across 5 retailers

6 retailers$4,081 AUD to $5,772 AUD

A
Cheapest Retailer
-
$4,081 AUD
$2,867 USD
A
Retailer 2
-
$4,160 AUD
$2,922 USD
View
Final sale: no returns
A
Retailer 3
-
$4,250 AUD
₹284,315 INR
View
A
Retailer 4
-
$4,407 AUD
£2,438 GBP
View
A
Retailer 5
-
$4,805 AUD
SGD 4,561 SGD
View
Most Expensive
B+
GemTrove
GT-N-01269894-98 · Nov 2
$5,772 AUD
View
5 more retailers have this diamond
Prices start from $4,081 AUDSave up to $1,691 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
1.55ct Heart
$4,081 AUD