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Heart|Natural|GIA

1.05ct E SI1 Heart Natural Diamond

EX • E/SI1 • GIA 1192456428

Certificate GIA 1192456428

Diamond specifications and retailer prices

From €2,735 EUR
As of November 4, 2026
Save €725 EUR (21%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €3,461 EUR at Belgium Diamonds · As of November 5, 2026
View at Belgium Diamonds

About this 1.05ct natural heart diamond

This 1.05ct natural heart sits in the classic one-carat band, graded E 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 1192456428. Listed at 8 retailers as of November 4, 2026, with prices from €2,735 to €3,461, a €725 spread on the same certified stone. Belgium Diamonds lists it at €3,461. 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

1.05
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1192456428
Dimensions8.40 × 6.56 × 1.91 mm
L/W Ratio1.28
Key to symbols
Feather, Crystal, Cavity, Etch Channel
Top View
8.40 mm6.56 mm1.05 ctE / SI1
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceMedium
CertificateGIA 1192456428
Side View
Table 65.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth

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 4
Current: €2,990 EUR|Low: €2,607 EUR|High: €4,405 EUR|Avg: €3,266 EUR|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7€2,735 EUR
Retailer 4€2,844 EUR
Retailer 6€2,969 EUR
Retailer 1€2,990 EUR
Retailer 3€3,082 EUR
Retailer 5€3,278 EUR
Retailer 2€3,384 EUR
Retailer 9€3,688 EUR
Retailer 8€4,405 EUR

40 data points across 9 retailers

8 retailers€2,735 EUR to €3,461 EUR

B+
Cheapest Retailer
-
€2,735 EUR
B+
Retailer 2
-
€2,844 EUR
View
Final sale: no returns
B
Retailer 3
-
€2,969 EUR
View
B+
Retailer 4
-
€2,990 EUR
View
Retailer 5
-
€3,082 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
€3,278 EUR
View
Price last confirmed 37 days ago
B
Retailer 7
-
€3,384 EUR
View
Most Expensive
B
Belgium Diamonds
357011410 · Nov 5
€3,461 EUR
View
7 more retailers have this diamond
Prices start from €2,735 EURSave up to €725 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+
1.05ct Heart
€2,735 EUR