CaratHunter
Plans
Heart|Natural|GIA

1.22ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 2156178897

Certificate GIA 2156178897

Diamond specifications and retailer prices

From €3,066 EUR
$3,425 USD
As of November 2, 2026
Save €1,508 EUR (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €4,574 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 1.22ct natural heart diamond

This 1.22ct 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 2156178897. Listed at 4 retailers as of November 2, 2026, with prices from €3,066 to €4,574, a €1,508 spread on the same certified stone. 77 Diamonds lists it at €4,574. 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

1.22
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2156178897
Dimensions6.54 × 7.44 × 4.30 mm
L/W Ratio1.14
Top View
6.54 mm7.44 mm1.22 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2156178897
Side View
Table 56.0%CrownGirdle: MediumPavilionCulet: NoneDepth 57.8%

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 2
Current: €4,574 EUR|Low: €3,023 EUR|High: €4,591 EUR|Avg: €3,850 EUR|+2.1%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 2€3,066 EUR
Retailer 3€3,931 EUR
77 Diamonds€4,574 EUR

31 data points across 3 retailers

4 retailers€3,066 EUR to €4,574 EUR

B+
Cheapest Retailer
-
€3,066 EUR
$3,425 USD
B+
Retailer 2
-
€3,066 EUR
$3,425 USD
View
B
Retailer 3
-
€3,931 EUR
$4,392 USD
View
Most Expensive
B
77 Diamonds
HSZQKE4NYZG · Nov 2
€4,574 EUR
£4,023 GBP
View
3 more retailers have this diamond
Prices start from €3,066 EURSave up to €1,508 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+
1.22ct Heart
€3,066 EUR