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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 €16,309 EUR
$18,220 USD
As of October 30, 2026
Save €8,792 EUR (35%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €25,101 EUR at MOH London · As of November 1, 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 October 30, 2026, with prices from €16,309 to €25,101, a €8,792 spread on the same certified stone. MOH London lists it at €25,101. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €25,101 EUR|Low: €16,262 EUR|High: €30,146 EUR|Avg: €20,544 EUR|-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 1, 2026
Retailer 12€16,309 EUR
Retailer 9€17,000 EUR
Retailer 10€17,009 EUR
Retailer 2€17,090 EUR
Retailer 11€17,324 EUR
Retailer 13€18,628 EUR
Retailer 3€19,219 EUR
Retailer 8€19,501 EUR
Retailer 5€19,724 EUR
Retailer 4€19,958 EUR
Retailer 14€22,769 EUR
Retailer 7€23,613 EUR
MOH London€25,101 EUR
Retailer 6€30,146 EUR

43 data points across 14 retailers

13 retailers€16,309 EUR to €25,101 EUR

B+
Cheapest Retailer
-
€16,309 EUR
$18,220 USD
B+
Retailer 2
-
€17,000 EUR
$18,993 USD
View
Final sale: no returns
Retailer 3
-
€17,009 EUR
A$29,235 AUD
View
Price last confirmed 28 days ago
B+
Retailer 4
-
€17,090 EUR
£15,034 GBP
View
B+
Retailer 5
-
€17,324 EUR
$19,355 USD
View
B+
Retailer 6
-
€18,628 EUR
$20,811 USD
View
B+
Retailer 7
-
€19,219 EUR
$21,472 USD
View
B+
Retailer 8
-
€19,501 EUR
View
B+
Retailer 9
-
€19,724 EUR
$22,036 USD
View
B+
Retailer 10
-
€19,958 EUR
$22,297 USD
View
B
Retailer 11
-
€22,769 EUR
$25,438 USD
View
B
Retailer 12
-
€23,613 EUR
ZAR 426,176 ZAR
View
Most Expensive
B
MOH London
7DFDD0769 · Nov 1
€25,101 EUR
£22,081 GBP
View
12 more retailers have this diamond
Prices start from €16,309 EURSave up to €8,792 EUR

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
€16,309 EUR