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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 $1,260 AUD
As of November 6, 2026
Save $772 AUD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,032 AUD 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 $1,260 to $2,032, a $772 spread on the same certified stone. GemTrove lists it at $2,032. 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: $2,032 AUD|Low: $1,237 AUD|High: $2,032 AUD|Avg: $1,560 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$1,260 AUD
Retailer 5$1,269 AUD
Retailer 4$1,386 AUD
Retailer 2$1,416 AUD
Retailer 7$1,435 AUD
Retailer 6$1,560 AUD
GemTrove$2,032 AUD

42 data points across 7 retailers

7 retailers$1,260 AUD to $2,032 AUD

A
Cheapest Retailer
-
$1,260 AUD
A
Retailer 2
-
$1,269 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,386 AUD
View
A
Retailer 4
-
$1,416 AUD
View
A
Retailer 5
-
$1,435 AUD
View
A
Retailer 6
-
$1,560 AUD
View
Most Expensive
B+
GemTrove
GT-N-01267625-98 · Nov 6
$2,032 AUD
View
6 more retailers have this diamond
Prices start from $1,260 AUDSave up to $772 AUD

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
$1,260 AUD