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Heart|Natural|GIA

1.51ct D IF Heart Natural Diamond

EX • D/IF • GIA 6511843117

Certificate GIA 6511843117

Diamond specifications and retailer prices

From $26,027 AUD
As of November 4, 2026
Save $13,925 AUD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $39,952 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 6511843117. Listed at 13 retailers as of November 4, 2026, with prices from $26,027 to $39,952, a $13,925 spread on the same certified stone. MOH London lists it at $39,952. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6511843117
Dimensions7.24 × 7.99 × 4.68 mm
L/W Ratio1.10
Top View
7.24 mm7.99 mm1.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6511843117
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $39,952 AUD|Low: $25,953 AUD|High: $48,110 AUD|Avg: $32,656 AUD|-0.4%
MOH London
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
November 5, 2026
Retailer 12$26,027 AUD
Retailer 2$27,106 AUD
Retailer 9$27,132 AUD
Retailer 10$27,144 AUD
Retailer 11$27,649 AUD
Retailer 13$29,729 AUD
Retailer 3$30,673 AUD
Retailer 7$30,993 AUD
Retailer 5$31,477 AUD
Retailer 4$31,851 AUD
Retailer 14$36,338 AUD
Retailer 8$37,684 AUD
MOH London$39,952 AUD
Retailer 6$48,110 AUD

45 data points across 14 retailers

13 retailers$26,027 AUD to $39,952 AUD

B+
Cheapest Retailer
-
$26,027 AUD
B+
Retailer 2
-
$27,106 AUD
View
B+
Retailer 3
-
$27,132 AUD
View
Final sale: no returns
Retailer 4
-
$27,144 AUD
View
Price last confirmed 32 days ago
B+
Retailer 5
-
$27,649 AUD
View
B+
Retailer 6
-
$29,729 AUD
View
B+
Retailer 7
-
$30,673 AUD
View
B+
Retailer 8
-
$30,993 AUD
View
B+
Retailer 9
-
$31,477 AUD
View
B+
Retailer 10
-
$31,851 AUD
View
B
Retailer 11
-
$36,338 AUD
View
B
Retailer 12
-
$37,684 AUD
View
Most Expensive
B
MOH London
7DFDD0769 · Nov 4
$39,952 AUD
£22,022 GBP
View
12 more retailers have this diamond
Prices start from $26,027 AUDSave up to $13,925 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.

B+
1.51ct Heart
$26,027 AUD