Round|Natural|GIA

1.01ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 6375472406

Certificate GIA 6375472406

Diamond specifications and retailer prices

From $1,196 USD
As of November 5, 2026
Save $2,636 USD (69%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,832 USD 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 $1,196 to $3,832, a $2,636 spread on the same certified stone. NZ Jewellers lists it at $3,832. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,832 USD|Low: $1,196 USD|High: $3,980 USD|Avg: $1,822 USD|-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$1,196 USD
Retailer 15$1,393 USD
Retailer 13$1,455 USD
Retailer 16$1,475 USD
Retailer 2$1,524 USD
Retailer 4$1,566 USD
Retailer 3$1,571 USD
Retailer 6$1,571 USD
Retailer 8$1,643 USD
Retailer 5$1,707 USD
Retailer 12$1,733 USD
Retailer 7$1,813 USD
Retailer 10$1,835 USD
Retailer 9$2,065 USD
Retailer 14$2,744 USD
NZ Jewellers$3,832 USD

24 data points across 16 retailers

17 retailers$1,196 USD to $3,832 USD

A
Cheapest Retailer
-
$1,196 USD
A
Retailer 2
-
$1,393 USD
View
A
Retailer 3
-
$1,455 USD
View
A
Retailer 4
-
$1,475 USD
View
A
Retailer 5
-
$1,524 USD
View
A
Retailer 6
-
$1,566 USD
View
Retailer 7
-
$1,571 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$1,571 USD
View
B+
Retailer 9
-
$1,643 USD
View
A
Retailer 10
-
$1,707 USD
View
B+
Retailer 11
-
$1,721 USD
View
A
Retailer 12
-
$1,733 USD
View
B+
Retailer 13
-
$1,813 USD
View
B+
Retailer 14
-
$1,835 USD
View
B+
Retailer 15
-
$2,065 USD
View
B
Retailer 16
-
$2,744 USD
View
Most Expensive
B
NZ Jewellers
dc90e1b8-43ee-48db-a136-01f9839c2ed2 · Nov 5
$3,832 USD
View
16 more retailers have this diamond
Prices start from $1,196 USDSave up to $2,636 USD

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
$1,196 USD