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Round|Natural|GIA

1.00ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2476948330

Certificate GIA 2476948330

Diamond specifications and retailer prices

From $2,261 SGD
As of November 6, 2026
Save $3,514 SGD (61%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,775 SGD at NZ Jewellers · As of November 5, 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 2476948330. Listed at 18 retailers as of November 5, 2026, with prices from $2,261 to $5,775, a $3,514 spread on the same certified stone. NZ Jewellers lists it at $5,775. 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
SymmetryVery Good
FluorescenceNone
Crown angle32°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2476948330
Dimensions6.52 × 6.50 × 3.93 mm
L/W Ratio1.00
Star length55%
Lower girdle75%
Top View
6.52 mm6.50 mm1.00 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2476948330
Side View
Table 57.0%Crown 32°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: $5,775 SGD|Low: $2,261 SGD|High: $5,775 SGD|Avg: $3,025 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 3$2,261 SGD
Retailer 15$2,312 SGD
Retailer 8$2,408 SGD
Retailer 7$2,502 SGD
Retailer 9$2,502 SGD
Retailer 19$2,555 SGD
Retailer 11$2,581 SGD
Retailer 16$2,611 SGD
Retailer 5$2,618 SGD
Retailer 4$2,690 SGD
Retailer 17$2,703 SGD
Retailer 6$2,753 SGD
Retailer 10$2,888 SGD
Retailer 18$2,896 SGD
Retailer 2$2,984 SGD
Retailer 13$3,371 SGD
Retailer 12$3,551 SGD
Retailer 14$4,826 SGD
NZ Jewellers$5,775 SGD

45 data points across 19 retailers

18 retailers$2,261 SGD to $5,775 SGD

B+
Cheapest Retailer
-
$2,261 SGD
B+
Retailer 2
-
$2,312 SGD
View
B+
Retailer 3
-
$2,408 SGD
View
Retailer 4
-
$2,502 SGD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,502 SGD
View
B+
Retailer 6
-
$2,555 SGD
View
B+
Retailer 7
-
$2,581 SGD
View
B+
Retailer 8
-
$2,611 SGD
View
B+
Retailer 9
-
$2,618 SGD
View
B+
Retailer 10
-
$2,703 SGD
View
B+
Retailer 11
-
$2,753 SGD
View
B
Retailer 12
-
$2,888 SGD
View
B
Retailer 13
-
$2,896 SGD
View
B
Retailer 14
-
$2,984 SGD
View
B
Retailer 15
-
$3,371 SGD
View
B
Retailer 16
-
$3,551 SGD
View
B
Retailer 17
-
$4,826 SGD
View
Most Expensive
B
NZ Jewellers
c8851792-1fd6-4299-812c-c4ac04bcafa4 · Nov 5
$5,775 SGD
$4,521 USD
View
17 more retailers have this diamond
Prices start from $2,261 SGDSave up to $3,514 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 Round
$2,261 SGD