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Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

GD • D/SI1 • GIA 2556450146

Certificate GIA 2556450146

Diamond specifications and retailer prices

From $2,201 USD
As of November 4, 2026
Save $3,680 USD (63%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $5,881 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 D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by GIA 2556450146. Listed at 25 retailers as of November 4, 2026, with prices from $2,201 to $5,881, a $3,680 spread on the same certified stone. NZ Jewellers lists it at $5,881. 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
D
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle40°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556450146
Dimensions6.03 × 6.13 × 4.07 mm
L/W Ratio1.02
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.03 mm6.13 mm1.01 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556450146
Side View
Table 62.0%Crown 40°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 66.8%

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 4
Current: $5,881 USD|Low: $2,188 USD|High: $5,881 USD|Avg: $3,183 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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 6, 2026
Retailer 5$2,201 USD
Retailer 21$2,209 USD
Retailer 11$2,486 USD
Retailer 15$2,520 USD
Retailer 22$2,520 USD
Retailer 12$2,596 USD
Retailer 2$2,692 USD
Retailer 3$2,754 USD
Retailer 6$2,760 USD
Retailer 4$2,789 USD
Retailer 8$2,813 USD
Retailer 10$2,813 USD
Retailer 9$2,921 USD
Retailer 7$2,954 USD
Retailer 18$2,960 USD
Retailer 13$3,067 USD
Retailer 23$3,222 USD
Retailer 14$3,246 USD
Retailer 19$3,289 USD
Retailer 20$3,433 USD
Retailer 16$4,150 USD
Retailer 17$4,266 USD
Retailer 24$4,914 USD
NZ Jewellers$5,881 USD

19 data points across 24 retailers

25 retailers$2,201 USD to $5,881 USD

A
Cheapest Retailer
-
$2,201 USD
A
Retailer 2
-
$2,209 USD
View
A
Retailer 3
-
$2,486 USD
View
B+
Retailer 4
-
$2,520 USD
View
A
Retailer 5
-
$2,520 USD
View
A
Retailer 6
-
$2,596 USD
View
Final sale: no returns
A
Retailer 7
-
$2,692 USD
View
B+
Retailer 8
-
$2,754 USD
View
B+
Retailer 9
-
$2,760 USD
View
B+
Retailer 10
-
$2,789 USD
View
Retailer 11
-
$2,813 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$2,813 USD
View
B+
Retailer 13
-
$2,921 USD
View
B+
Retailer 14
-
$2,954 USD
View
B+
Retailer 15
-
$2,960 USD
View
B+
Retailer 16
-
$3,067 USD
View
B+
Retailer 17
-
$3,222 USD
View
B+
Retailer 18
-
$3,246 USD
View
B+
Retailer 19
-
$3,289 USD
View
Retailer 20
-
$3,409 USD
View
Price last confirmed 33 days ago
B+
Retailer 21
-
$3,433 USD
View
B
Retailer 22
-
$4,150 USD
View
B
Retailer 23
-
$4,266 USD
View
B
Retailer 24
-
$4,914 USD
View
Most Expensive
C
NZ Jewellers
ffbaecdc-c3de-48b0-9890-1cd15db27370 · Nov 5
$5,881 USD
View
24 more retailers have this diamond
Prices start from $2,201 USDSave up to $3,680 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
$2,201 USD