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Heart|Natural|GIA

1.20ct I SI1 Heart Natural Diamond

ID • I/SI1 • GIA 6515647551

Certificate GIA 6515647551

Diamond specifications and retailer prices

From €1,892 EUR
$2,122 USD
As of November 2, 2026
Save €2,864 EUR (60%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €4,756 EUR at NZ Jewellers · As of October 30, 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 October 30, 2026, with prices from €1,892 to €4,756, a €2,864 spread on the same certified stone. NZ Jewellers lists it at €4,756. 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
Color
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 2
Current: €4,756 EUR|Low: €1,892 EUR|High: €4,756 EUR|Avg: €2,534 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
Retailer 14
November 2, 2026
Retailer 12€1,892 EUR
Retailer 5€1,984 EUR
Retailer 3€2,060 EUR
Retailer 4€2,060 EUR
Retailer 11€2,094 EUR
Retailer 8€2,131 EUR
Retailer 7€2,144 EUR
Retailer 10€2,206 EUR
Retailer 9€2,364 EUR
Retailer 13€2,418 EUR
Retailer 6€2,562 EUR
Retailer 14€2,796 EUR
Retailer 2€3,963 EUR
NZ Jewellers€4,756 EUR

34 data points across 14 retailers

15 retailers€1,892 EUR to €4,756 EUR

A
Cheapest Retailer
-
€1,892 EUR
$2,122 USD
Final sale: no returns
A
Retailer 2
-
€1,984 EUR
$2,225 USD
View
B+
Retailer 3
-
€2,060 EUR
$2,311 USD
View
B+
Retailer 4
-
€2,060 EUR
$2,311 USD
View
B+
Retailer 5
-
€2,094 EUR
$2,349 USD
View
B+
Retailer 6
-
€2,131 EUR
$2,390 USD
View
B+
Retailer 7
-
€2,144 EUR
$2,405 USD
View
B+
Retailer 8
-
€2,174 EUR
$2,438 USD
View
B+
Retailer 9
-
€2,206 EUR
£1,949 GBP
View
B+
Retailer 10
-
€2,364 EUR
$2,652 USD
View
B+
Retailer 11
-
€2,418 EUR
£2,135 GBP
View
Retailer 12
-
€2,562 EUR
A$4,422 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
€2,796 EUR
ZAR 50,659 ZAR
View
B
Retailer 14
-
€3,963 EUR
£3,500 GBP
View
Most Expensive
B
NZ Jewellers
0295613a-2162-44ef-ae4c-6b601a5228dc · Oct 30
€4,756 EUR
$5,334 USD
View
14 more retailers have this diamond
Prices start from €1,892 EURSave up to €2,864 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
€1,892 EUR