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Round|Natural|GIA

1.01ct K SI2 Round Natural Diamond

VG • K/SI2 • GIA 1236390802

Certificate GIA 1236390802

Diamond specifications and retailer prices

From $1,588 USD
As of November 4, 2026
Save $3,193 USD (67%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,781 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 very-good cut grade and certified by GIA 1236390802. Listed at 15 retailers as of November 4, 2026, with prices from $1,588 to $4,781, a $3,193 spread on the same certified stone. NZ Jewellers lists it at $4,781. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.01
Carat
K
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1236390802
Dimensions6.32 × 6.25 × 4.04 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Inscription(s): GIA 1236390802, HRD Antwerp 220000014950
Top View
6.32 mm6.25 mm1.01 ctK / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236390802
Side View
Table 58.0%Crown 36°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 64.2%

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 4
Current: $4,781 USD|Low: $1,588 USD|High: $4,781 USD|Avg: $2,366 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
November 6, 2026
Retailer 11$1,588 USD
Retailer 8$1,618 USD
Retailer 9$1,660 USD
Retailer 4$1,776 USD
Retailer 12$1,776 USD
Retailer 10$1,858 USD
Retailer 3$2,049 USD
Retailer 2$2,103 USD
Retailer 5$2,305 USD
Retailer 6$2,483 USD
Retailer 7$3,425 USD
NZ Jewellers$4,781 USD

41 data points across 12 retailers

15 retailers$1,588 USD to $4,781 USD

B+
Cheapest Retailer
-
$1,588 USD
B+
Retailer 2
-
$1,598 USD
View
B+
Retailer 3
-
$1,618 USD
View
B+
Retailer 4
-
$1,660 USD
View
B+
Retailer 5
-
$1,667 USD
View
B+
Retailer 6
-
$1,728 USD
View
B+
Retailer 7
-
$1,776 USD
View
Retailer 8
-
$1,776 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,858 USD
View
B+
Retailer 10
-
$2,049 USD
View
B+
Retailer 11
-
$2,103 USD
View
B
Retailer 12
-
$2,305 USD
View
B
Retailer 13
-
$2,483 USD
View
B
Retailer 14
-
$3,425 USD
View
Most Expensive
C
NZ Jewellers
5aa44d12-82cf-4380-96fc-42675d74002c · Nov 5
$4,781 USD
View
14 more retailers have this diamond
Prices start from $1,588 USDSave up to $3,193 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.

B+
1.01ct Round
$1,588 USD