Heart|Natural|GIA

1.20ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6515647551

Certificate GIA 6515647551

Diamond specifications and retailer prices

From €1,901 EUR
As of November 6, 2026
Save €2,850 EUR (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,751 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural heart diamond

This 1.2ct natural heart sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6515647551. Listed at 15 retailers as of November 5, 2026, with prices from €1,901 to €4,751, a €2,850 spread on the same certified stone. NZ Jewellers lists it at €4,751. 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

1.20
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6515647551
Dimensions7.54 × 6.63 × 4.31 mm
L/W Ratio1.14
Top View
7.54 mm6.63 mm1.20 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6515647551
Side View
Table 64.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 57.2%

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 6
Current: €4,751 EUR|Low: €1,901 EUR|High: €4,777 EUR|Avg: €2,555 EUR|-0.6%
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
Retailer 14
November 7, 2026
Retailer 4€1,901 EUR
Retailer 8€1,979 EUR
Retailer 11€2,059 EUR
Retailer 5€2,070 EUR
Retailer 3€2,104 EUR
Retailer 13€2,141 EUR
Retailer 12€2,154 EUR
Retailer 9€2,204 EUR
Retailer 14€2,375 EUR
Retailer 7€2,398 EUR
Retailer 6€2,573 EUR
Retailer 10€2,773 EUR
Retailer 2€3,959 EUR
NZ Jewellers€4,751 EUR

33 data points across 14 retailers

15 retailers€1,901 EUR to €4,751 EUR

A
Cheapest Retailer
-
€1,901 EUR
Final sale: no returns
A
Retailer 2
-
€1,979 EUR
View
B+
Retailer 3
-
€2,059 EUR
View
Retailer 4
-
€2,070 EUR
View
Price last confirmed 9 days ago
B+
Retailer 5
-
€2,104 EUR
View
B+
Retailer 6
-
€2,141 EUR
View
B+
Retailer 7
-
€2,154 EUR
View
B+
Retailer 8
-
€2,184 EUR
View
B+
Retailer 9
-
€2,204 EUR
View
B+
Retailer 10
-
€2,375 EUR
View
B+
Retailer 11
-
€2,398 EUR
View
Retailer 12
-
€2,573 EUR
View
Price last confirmed 31 days ago
B+
Retailer 13
-
€2,773 EUR
View
B
Retailer 14
-
€3,959 EUR
View
Most Expensive
B
NZ Jewellers
0295613a-2162-44ef-ae4c-6b601a5228dc · Nov 5
€4,751 EUR
$5,304 USD
View
14 more retailers have this diamond
Prices start from €1,901 EURSave up to €2,850 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
1.20ct Heart
€1,901 EUR