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Round|Natural|GIA

1.00ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2377826972

Certificate GIA 2377826972

Diamond specifications and retailer prices

From $1,898 SGD
As of November 6, 2026
Save $3,599 SGD (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,497 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2377826972. Listed at 17 retailers as of November 5, 2026, with prices from $1,898 to $5,497, a $3,599 spread on the same certified stone. NZ Jewellers lists it at $5,497. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2377826972
Dimensions6.38 × 6.35 × 4.02 mm
L/W Ratio1.00
Top View
6.38 mm6.35 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2377826972
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,898 SGD|Low: $1,898 SGD|High: $4,661 SGD|Avg: $2,975 SGD|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 1$1,898 SGD
Retailer 7$1,912 SGD
Retailer 2$2,551 SGD
Retailer 3$2,670 SGD
Retailer 4$2,839 SGD
Retailer 6$3,242 SGD
Retailer 5$4,593 SGD

31 data points across 7 retailers

17 retailers$1,898 SGD to $5,497 SGD

A
Cheapest Retailer
-
$1,898 SGD
A
Retailer 2
-
$1,912 SGD
View
B+
Retailer 3
-
$2,306 SGD
View
Retailer 4
-
$2,346 SGD
View
Price last confirmed 82 days ago
B+
Retailer 5
-
$2,409 SGD
View
B+
Retailer 6
-
$2,551 SGD
View
B+
Retailer 7
-
$2,630 SGD
View
B+
Retailer 8
-
$2,670 SGD
View
B+
Retailer 9
-
$2,751 SGD
View
B
Retailer 10
-
$2,806 SGD
View
B+
Retailer 11
-
$2,839 SGD
View
B
Retailer 12
-
$2,871 SGD
View
B
Retailer 13
-
$3,034 SGD
View
B+
Retailer 14
-
$3,242 SGD
View
B
Retailer 15
-
$3,626 SGD
View
B
Retailer 16
-
$4,593 SGD
View
Most Expensive
C
NZ Jewellers
63169afc-01db-4f88-96d9-9f46409f14aa · Nov 5
$5,497 SGD
$4,304 USD
View
16 more retailers have this diamond
Prices start from $1,898 SGDSave up to $3,599 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
$1,898 SGD