Heart|Natural|GIA

1.51ct D IF Heart Natural Diamond

EX • D/IF • GIA 6511843117

Certificate GIA 6511843117

Diamond specifications and retailer prices

From $18,220 USD
As of November 1, 2026
Save $9,823 USD (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $28,043 USD at MOH London · As of November 2, 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 1, 2026, with prices from $18,220 to $28,043, a $9,823 spread on the same certified stone. MOH London lists it at $28,043. 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
Color
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 1
Current: $28,043 USD|Low: $18,168 USD|High: $33,679 USD|Avg: $22,943 USD|-0.1%
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 2, 2026
Retailer 12$18,220 USD
Retailer 9$18,993 USD
Retailer 10$19,003 USD
Retailer 2$19,091 USD
Retailer 11$19,355 USD
Retailer 13$20,811 USD
Retailer 3$21,472 USD
Retailer 7$21,780 USD
Retailer 5$22,036 USD
Retailer 4$22,297 USD
Retailer 14$25,438 USD
Retailer 8$26,380 USD
MOH London$28,043 USD
Retailer 6$33,679 USD

44 data points across 14 retailers

13 retailers$18,220 USD to $28,043 USD

B+
Cheapest Retailer
-
$18,220 USD
B+
Retailer 2
-
$18,993 USD
View
Final sale: no returns
Retailer 3
-
$19,003 USD
A$29,235 AUD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$19,091 USD
£15,032 GBP
View
B+
Retailer 5
-
$19,355 USD
View
B+
Retailer 6
-
$20,811 USD
View
B+
Retailer 7
-
$21,472 USD
View
B+
Retailer 8
-
$21,780 USD
€20,743 EUR
View
B+
Retailer 9
-
$22,036 USD
View
B+
Retailer 10
-
$22,297 USD
View
B
Retailer 11
-
$25,438 USD
View
B
Retailer 12
-
$26,380 USD
ZAR 426,176 ZAR
View
Most Expensive
B
MOH London
7DFDD0769 · Nov 2
$28,043 USD
£22,081 GBP
View
12 more retailers have this diamond
Prices start from $18,220 USDSave up to $9,823 USD

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
$18,220 USD