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Heart|Natural|GIA

1.00ct K SI1 Heart Natural Diamond

EX • K/SI1 • GIA 6224165258

Certificate GIA 6224165258

Diamond specifications and retailer prices

From $1,966 SGD
As of November 6, 2026
Save $3,454 SGD (64%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,420 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 6224165258. Listed at 14 retailers as of November 5, 2026, with prices from $1,966 to $5,420, a $3,454 spread on the same certified stone. NZ Jewellers lists it at $5,420. 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
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6224165258
Dimensions6.12 × 6.36 × 3.22 mm
L/W Ratio1.04
Top View
6.12 mm6.36 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6224165258
Side View
Table 56.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 50.6%

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 6
Current: $3,017 SGD|Low: $1,966 SGD|High: $3,940 SGD|Avg: $2,540 SGD|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 9$1,966 SGD
Retailer 5$2,025 SGD
Retailer 7$2,174 SGD
Retailer 8$2,307 SGD
Retailer 6$2,325 SGD
Retailer 3$2,466 SGD
Retailer 2$2,712 SGD
Retailer 1$3,017 SGD
Retailer 4$3,892 SGD

45 data points across 9 retailers

14 retailers$1,966 SGD to $5,420 SGD

B+
Cheapest Retailer
-
$1,966 SGD
B+
Retailer 2
-
$2,025 SGD
View
B+
Retailer 3
-
$2,174 SGD
View
Retailer 4
-
$2,222 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,222 SGD
View
B+
Retailer 6
-
$2,307 SGD
View
B+
Retailer 7
-
$2,325 SGD
View
B
Retailer 8
-
$2,397 SGD
View
B+
Retailer 9
-
$2,466 SGD
View
B
Retailer 10
-
$2,564 SGD
View
B
Retailer 11
-
$2,712 SGD
View
B
Retailer 12
-
$3,017 SGD
View
B
Retailer 13
-
$3,892 SGD
View
Most Expensive
C
NZ Jewellers
20478dd3-fd83-414a-ae2f-ed155b99fa08 · Nov 5
$5,420 SGD
$4,229 USD
View
13 more retailers have this diamond
Prices start from $1,966 SGDSave up to $3,454 SGD

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+
1.00ct Heart
$1,966 SGD