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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 $1,562 NZD
As of November 6, 2026
Save $956 NZD (38%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,519 NZD 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 $1,562 to $2,519, a $956 spread on the same certified stone. GemTrove lists it at $2,519. 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: $2,519 NZD|Low: $1,533 NZD|High: $2,519 NZD|Avg: $1,934 NZD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3$1,562 NZD
Retailer 5$1,573 NZD
Retailer 4$1,717 NZD
Retailer 2$1,755 NZD
Retailer 7$1,779 NZD
Retailer 6$1,934 NZD
GemTrove$2,519 NZD

42 data points across 7 retailers

7 retailers$1,562 NZD to $2,519 NZD

A
Cheapest Retailer
-
$1,562 NZD
A
Retailer 2
-
$1,573 NZD
View
Final sale: no returns
A
Retailer 3
-
$1,717 NZD
View
A
Retailer 4
-
$1,755 NZD
View
A
Retailer 5
-
$1,779 NZD
View
A
Retailer 6
-
$1,934 NZD
View
Most Expensive
B+
GemTrove
GT-N-01267625-98 · Nov 6
$2,519 NZD
A$2,148 AUD
View
6 more retailers have this diamond
Prices start from $1,562 NZDSave up to $956 NZD

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
$1,562 NZD