CaratHunter
Plans
Heart|Natural|GIA

1.51ct D IF Heart Natural Diamond

EX • D/IF • GIA 5546398680

Certificate GIA 5546398680

Diamond specifications and retailer prices

From $19,559 AUD
As of November 5, 2026
Save $12,661 AUD (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $32,220 AUD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural heart diamond

This 1.51ct natural heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5546398680. Listed at 7 retailers as of November 4, 2026, with prices from $19,559 to $32,220, a $12,661 spread on the same certified stone. MOH London lists it at $32,220. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5546398680
Dimensions7.29 × 8.13 × 4.51 mm
L/W Ratio1.12
Top View
7.29 mm8.13 mm1.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546398680
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: 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 5
Current: $32,220 AUD|Low: $18,962 AUD|High: $32,697 AUD|Avg: $24,645 AUD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$19,559 AUD
Retailer 3$19,823 AUD
Retailer 7$21,746 AUD
Retailer 2$21,783 AUD
Retailer 6$24,256 AUD
Retailer 8$25,964 AUD
Retailer 4$29,306 AUD
MOH London$32,220 AUD

40 data points across 8 retailers

7 retailers$19,559 AUD to $32,220 AUD

A
Cheapest Retailer
-
$19,559 AUD
A
Retailer 2
-
$19,823 AUD
View
Final sale: no returns
A
Retailer 3
-
$21,746 AUD
View
A
Retailer 4
-
$21,783 AUD
View
B+
Retailer 5
-
$24,256 AUD
View
B+
Retailer 6
-
$29,306 AUD
View
Most Expensive
B+
MOH London
5FABC4BA2 · Nov 4
$32,220 AUD
£17,760 GBP
View
6 more retailers have this diamond
Prices start from $19,559 AUDSave up to $12,661 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
$19,559 AUD