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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6562014697

Certificate GIA 6562014697

Diamond specifications and retailer prices

From $1,798 SGD
As of November 1, 2026
Save $1,474 SGD (45%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,868 SGD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6562014697. Listed at 17 retailers as of November 1, 2026, with a 82% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6562014697
Dimensions6.39 × 6.43 × 3.91 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural, Natural
Top View
6.39 mm6.43 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562014697
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

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 1
Current: $2,382 SGD|Low: $1,782 SGD|High: $4,266 SGD|Avg: $2,696 SGD|+0.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$1,798 SGD
Retailer 4$1,896 SGD
Retailer 1$2,382 SGD
Retailer 8$2,405 SGD
Retailer 2$2,622 SGD
Retailer 6$2,957 SGD
Retailer 3$3,272 SGD
Retailer 7$4,237 SGD

42 data points across 8 retailers

17 retailers$1,798 SGD to $3,272 SGD

A
Cheapest Retailer
-
$1,798 SGD
A
Retailer 2
-
$1,896 SGD
View
B+
Retailer 3
-
$2,249 SGD
View
B+
Retailer 4
-
$2,254 SGD
View
B+
Retailer 5
-
$2,382 SGD
View
Retailer 6
-
$2,405 SGD
View
Price last confirmed 8 days ago
Retailer 7
-
$2,405 SGD
View
Price last confirmed 39 days ago
Retailer 8
-
$2,405 SGD
View
Price last confirmed 36 days ago
B+
Retailer 9
-
$2,414 SGD
View
Retailer 10
-
$2,505 SGD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$2,581 SGD
View
B+
Retailer 12
-
$2,622 SGD
View
Retailer 13
-
$2,776 SGD
View
Price last confirmed 38 days ago
B+
Retailer 14
-
$2,957 SGD
View
B+
Retailer 15
-
$3,272 SGD
View
Retailer 16
-
$4,237 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
8c673137-5a4a-4aef-a92f-25e2b4009292 · Sep 28
$5,868 SGD
$4,594 USD
View
Price last confirmed 39 days ago
16 more retailers have this diamond
Prices start from $1,798 SGDSave up to $1,474 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.

A
1.00ct Round
$1,798 SGD