Heart|Natural|GIA

11.51ct D FL Heart Natural Diamond

EX • D/FL • GIA 6541808390

Certificate GIA 6541808390

Diamond specifications and retailer prices

From €749,939 EUR
HK$6,545,600 HKD
As of November 1, 2026
Save €222,867 EUR (23%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €972,806 EUR at RockHer · As of October 31, 2026
View at RockHer

About this 11.51ct natural heart diamond

This 11.51ct natural heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6541808390. Listed at 11 retailers as of October 31, 2026, with prices from €749,939 to €972,806, a €222,867 spread on the same certified stone. RockHer lists it at €972,806. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

11.51
Carat
D
Color
FL
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541808390
Dimensions13.70 × 16.09 × 9.06 mm
L/W Ratio1.17
Top View
13.70 mm16.09 mm11.51 ctD / FL
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6541808390
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.3%

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 1
Current: €834,566 EUR|Low: €749,939 EUR|High: €1,071,142 EUR|Avg: €909,410 EUR|-5.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
RockHer
November 1, 2026
Retailer 8€749,939 EUR
Retailer 3€808,360 EUR
Retailer 1€834,566 EUR
Retailer 10€868,913 EUR
Retailer 2€879,196 EUR
Retailer 9€888,203 EUR
Retailer 6€908,542 EUR
Retailer 7€922,456 EUR
Retailer 5€938,350 EUR
Retailer 4€951,097 EUR
RockHer€972,806 EUR

37 data points across 11 retailers

11 retailers€749,939 EUR to €972,806 EUR

A
Cheapest Retailer
-
€749,939 EUR
HK$6,545,600 HKD
A
Retailer 2
-
€808,360 EUR
View
A
Retailer 3
-
€834,566 EUR
£734,159 GBP
View
Retailer 4
-
€868,913 EUR
A$1,493,469 AUD
View
Price last confirmed 28 days ago
Retailer 5
-
€879,196 EUR
SGD 1,327,356 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
€888,203 EUR
$992,306 USD
View
B+
Retailer 7
-
€908,542 EUR
$1,015,029 USD
View
Final sale: no returns
B+
Retailer 8
-
€922,456 EUR
$1,030,574 USD
View
B+
Retailer 9
-
€938,350 EUR
$1,048,331 USD
View
B+
Retailer 10
-
€951,097 EUR
$1,062,571 USD
View
Most Expensive
B+
RockHer
185ec1306 · Oct 31
€972,806 EUR
$1,086,825 USD
View
10 more retailers have this diamond
Prices start from €749,939 EURSave up to €222,867 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.

A
11.51ct Heart
€749,939 EUR