Round|Natural|GIA

1.01ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6561521769

Certificate GIA 6561521769

Diamond specifications and retailer prices

From $1,600 USD
As of November 6, 2026
Save $2,875 USD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,475 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561521769. Listed at 17 retailers as of November 5, 2026, with prices from $1,600 to $4,475, a $2,875 spread on the same certified stone. NZ Jewellers lists it at $4,475. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561521769
Dimensions6.44 × 6.47 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
6.44 mm6.47 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6561521769
Side View
Table 57.0%Crown 31.5°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 61.9%

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 6
Current: $4,475 USD|Low: $1,600 USD|High: $4,475 USD|Avg: $2,497 USD
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
November 6, 2026
Retailer 12$1,600 USD
Retailer 2$1,669 USD
Retailer 6$1,985 USD
Retailer 7$2,048 USD
Retailer 5$2,060 USD
Retailer 3$2,140 USD
Retailer 13$2,140 USD
Retailer 14$2,239 USD
Retailer 10$2,311 USD
Retailer 4$2,470 USD
Retailer 8$2,612 USD
Retailer 9$2,904 USD
Retailer 11$3,740 USD
NZ Jewellers$4,475 USD

25 data points across 14 retailers

17 retailers$1,600 USD to $4,475 USD

A
Cheapest Retailer
-
$1,600 USD
A
Retailer 2
-
$1,669 USD
View
B+
Retailer 3
-
$1,985 USD
View
B+
Retailer 4
-
$2,038 USD
View
B+
Retailer 5
-
$2,048 USD
View
B+
Retailer 6
-
$2,060 USD
View
B+
Retailer 7
-
$2,130 USD
View
B+
Retailer 8
-
$2,140 USD
View
Retailer 9
-
$2,140 USD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$2,239 USD
View
B
Retailer 11
-
$2,279 USD
View
B+
Retailer 12
-
$2,311 USD
View
B
Retailer 13
-
$2,470 USD
View
B+
Retailer 14
-
$2,612 USD
View
B
Retailer 15
-
$2,904 USD
View
B
Retailer 16
-
$3,740 USD
View
Most Expensive
B
NZ Jewellers
eb62b758-1d9a-4720-a116-3c65871e246d · Nov 5
$4,475 USD
View
16 more retailers have this diamond
Prices start from $1,600 USDSave up to $2,875 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
$1,600 USD