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Heart|Natural|GIA

1.00ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 7542188314

Certificate GIA 7542188314

Diamond specifications and retailer prices

From €776 EUR
As of November 6, 2026
Save €475 EUR (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,251 EUR at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural heart diamond

This 1ct natural heart sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7542188314. Listed at 7 retailers as of November 6, 2026, with prices from €776 to €1,251, a €475 spread on the same certified stone. GemTrove lists it at €1,251. 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

1.00
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7542188314
Dimensions6.15 × 6.91 × 3.94 mm
L/W Ratio1.12
Culet sizeNone
Key to symbols
Twinning Wisp, Cloud, Crystal, Cavity, Feather, Indented Natural, Needle, Natural
Top View
6.15 mm6.91 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7542188314
Side View
Table 58.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 57.1%

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: €1,251 EUR|Low: €761 EUR|High: €1,251 EUR|Avg: €960 EUR
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3€776 EUR
Retailer 5€781 EUR
Retailer 4€853 EUR
Retailer 2€871 EUR
Retailer 7€883 EUR
Retailer 6€960 EUR
GemTrove€1,251 EUR

42 data points across 7 retailers

7 retailers€776 EUR to €1,251 EUR

A
Cheapest Retailer
-
€776 EUR
A
Retailer 2
-
€781 EUR
View
Final sale: no returns
A
Retailer 3
-
€853 EUR
View
A
Retailer 4
-
€871 EUR
View
A
Retailer 5
-
€883 EUR
View
A
Retailer 6
-
€960 EUR
View
Most Expensive
B+
GemTrove
GT-N-01267625-98 · Nov 6
€1,251 EUR
A$2,148 AUD
View
6 more retailers have this diamond
Prices start from €776 EURSave up to €475 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
1.00ct Heart
€776 EUR