Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6471026814

Certificate GIA 6471026814

Diamond specifications and retailer prices

From €5,220 EUR
$5,832 USD
As of October 30, 2026
Save €5,831 EUR (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,051 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6471026814. Listed at 18 retailers as of October 30, 2026, with prices from €5,220 to €11,051, a €5,831 spread on the same certified stone. NZ Jewellers lists it at €11,051. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6471026814
Dimensions7.44 × 7.56 × 3.74 mm
L/W Ratio1.02
Top View
7.44 mm7.56 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceStrong
CertificateGIA 6471026814
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 49.5%

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: Oct 30
Current: €11,051 EUR|Low: €5,220 EUR|High: €11,051 EUR|Avg: €7,014 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 4€5,220 EUR
Retailer 10€5,525 EUR
Retailer 12€5,986 EUR
Retailer 11€6,078 EUR
Retailer 3€6,088 EUR
Retailer 7€6,178 EUR
Retailer 2€6,182 EUR
Retailer 5€6,480 EUR
Retailer 13€6,907 EUR
Retailer 9€7,221 EUR
Retailer 8€8,118 EUR
Retailer 6€9,208 EUR
NZ Jewellers€11,051 EUR

43 data points across 13 retailers

18 retailers€5,220 EUR to €11,051 EUR

B+
Cheapest Retailer
-
€5,220 EUR
$5,832 USD
B+
Retailer 2
-
€5,276 EUR
$5,894 USD
View
B+
Retailer 3
-
€5,525 EUR
$6,173 USD
View
Retailer 4
-
€5,525 EUR
$6,173 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
€5,554 EUR
$6,205 USD
View
B+
Retailer 6
-
€5,986 EUR
$6,688 USD
View
B+
Retailer 7
-
€6,078 EUR
$6,790 USD
View
B+
Retailer 8
-
€6,088 EUR
$6,802 USD
View
B+
Retailer 9
-
€6,178 EUR
£5,435 GBP
View
B+
Retailer 10
-
€6,182 EUR
£5,438 GBP
View
Retailer 11
-
€6,480 EUR
A$11,137 AUD
View
Price last confirmed 28 days ago
B
Retailer 12
-
€6,907 EUR
$7,716 USD
View
Retailer 13
-
€6,907 EUR
$7,716 USD
View
Price last confirmed 23 days ago
B
Retailer 14
-
€7,221 EUR
View
Retailer 15
-
€7,282 EUR
$8,135 USD
View
Price last confirmed 19 days ago
B
Retailer 16
-
€8,118 EUR
ZAR 146,521 ZAR
View
B
Retailer 17
-
€9,208 EUR
£8,100 GBP
View
Most Expensive
B
NZ Jewellers
75af5fb7-0f00-4687-9234-f981cbecc60e · Oct 30
€11,051 EUR
$12,346 USD
View
17 more retailers have this diamond
Prices start from €5,220 EURSave up to €5,831 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
€5,220 EUR