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Round|Natural|GIA

1.01ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6375472406

Certificate GIA 6375472406

Diamond specifications and retailer prices

From $1,528 SGD
As of November 5, 2026
Save $3,367 SGD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,895 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 6375472406. Listed at 17 retailers as of November 5, 2026, with prices from $1,528 to $4,895, a $3,367 spread on the same certified stone. NZ Jewellers lists it at $4,895. 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

1.01
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6375472406
Dimensions6.39 × 6.35 × 4.01 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
6.39 mm6.35 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6375472406
Side View
Table 56.0%Crown 35.5°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.9%

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 5
Current: $4,895 SGD|Low: $1,528 SGD|High: $5,084 SGD|Avg: $2,327 SGD|-3.7%
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
November 6, 2026
Retailer 11$1,528 SGD
Retailer 15$1,779 SGD
Retailer 13$1,858 SGD
Retailer 16$1,884 SGD
Retailer 2$1,947 SGD
Retailer 4$2,000 SGD
Retailer 3$2,007 SGD
Retailer 6$2,007 SGD
Retailer 8$2,099 SGD
Retailer 5$2,180 SGD
Retailer 12$2,214 SGD
Retailer 7$2,316 SGD
Retailer 10$2,344 SGD
Retailer 9$2,638 SGD
Retailer 14$3,505 SGD
NZ Jewellers$4,895 SGD

24 data points across 16 retailers

17 retailers$1,528 SGD to $4,895 SGD

A
Cheapest Retailer
-
$1,528 SGD
A
Retailer 2
-
$1,779 SGD
View
A
Retailer 3
-
$1,858 SGD
View
A
Retailer 4
-
$1,884 SGD
View
A
Retailer 5
-
$1,947 SGD
View
A
Retailer 6
-
$2,000 SGD
View
Retailer 7
-
$2,007 SGD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$2,007 SGD
View
B+
Retailer 9
-
$2,099 SGD
View
A
Retailer 10
-
$2,180 SGD
View
B+
Retailer 11
-
$2,198 SGD
View
A
Retailer 12
-
$2,214 SGD
View
B+
Retailer 13
-
$2,316 SGD
View
B+
Retailer 14
-
$2,344 SGD
View
B+
Retailer 15
-
$2,638 SGD
View
B
Retailer 16
-
$3,505 SGD
View
Most Expensive
B
NZ Jewellers
dc90e1b8-43ee-48db-a136-01f9839c2ed2 · Nov 5
$4,895 SGD
$3,832 USD
View
16 more retailers have this diamond
Prices start from $1,528 SGDSave up to $3,367 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
1.01ct Round
$1,528 SGD