Heart|Natural|GIA

1.51ct D SI1 Heart Natural Diamond

EX • D/SI1 • GIA 6471026814

Certificate GIA 6471026814

Diamond specifications and retailer prices

From €5,200 EUR
$5,832 USD
As of November 1, 2026
Save €5,808 EUR (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €11,007 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 €5,200 to €11,007, a €5,808 spread on the same certified stone. NZ Jewellers lists it at €11,007. 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
Colour
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: Nov 1
Current: €11,007 EUR|Low: €5,200 EUR|High: €11,007 EUR|Avg: €6,988 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 2, 2026
Retailer 4€5,200 EUR
Retailer 10€5,504 EUR
Retailer 12€5,963 EUR
Retailer 11€6,054 EUR
Retailer 3€6,065 EUR
Retailer 2€6,158 EUR
Retailer 7€6,206 EUR
Retailer 5€6,454 EUR
Retailer 13€6,879 EUR
Retailer 6€7,190 EUR
Retailer 9€8,086 EUR
Retailer 8€9,172 EUR
NZ Jewellers€11,007 EUR

43 data points across 13 retailers

18 retailers€5,200 EUR to €11,007 EUR

B+
Cheapest Retailer
-
€5,200 EUR
$5,832 USD
B+
Retailer 2
-
€5,255 EUR
$5,894 USD
View
B+
Retailer 3
-
€5,504 EUR
$6,173 USD
View
Retailer 4
-
€5,504 EUR
$6,173 USD
View
Price last confirmed 21 days ago
B+
Retailer 5
-
€5,532 EUR
$6,205 USD
View
B+
Retailer 6
-
€5,963 EUR
$6,688 USD
View
B+
Retailer 7
-
€6,054 EUR
$6,790 USD
View
B+
Retailer 8
-
€6,065 EUR
$6,802 USD
View
B+
Retailer 9
-
€6,158 EUR
£5,438 GBP
View
B+
Retailer 10
-
€6,206 EUR
£5,481 GBP
View
Retailer 11
-
€6,454 EUR
A$11,137 AUD
View
Price last confirmed 29 days ago
B
Retailer 12
-
€6,879 EUR
$7,716 USD
View
Retailer 13
-
€6,879 EUR
$7,716 USD
View
Price last confirmed 24 days ago
B+
Retailer 14
-
€7,190 EUR
View
Retailer 15
-
€7,253 EUR
$8,135 USD
View
Price last confirmed 20 days ago
B
Retailer 16
-
€8,086 EUR
ZAR 146,521 ZAR
View
B
Retailer 17
-
€9,172 EUR
£8,100 GBP
View
Most Expensive
B
NZ Jewellers
75af5fb7-0f00-4687-9234-f981cbecc60e · Oct 30
€11,007 EUR
$12,346 USD
View
17 more retailers have this diamond
Prices start from €5,200 EURSave up to €5,808 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
€5,200 EUR