Round|Natural|GIA

1.01ct D SI1 Round Natural Diamond

GD • D/SI1 • GIA 7428515436

Certificate GIA 7428515436

Diamond specifications and retailer prices

From $3,248 USD
As of November 4, 2026
Save $4,248 USD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,496 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 7428515436. Listed at 23 retailers as of November 4, 2026, with prices from $3,248 to $7,496, a $4,248 spread on the same certified stone. NZ Jewellers lists it at $7,496. 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
FluorescenceMedium
Crown angle38.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7428515436
Dimensions6.19 × 6.12 × 3.99 mm
L/W Ratio1.01
Top View
6.19 mm6.12 mm1.01 ctD / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7428515436
Side View
Table 63.0%Crown 38.5°Girdle: THK-VTKPavilion 41°Culet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,331 USD|Low: $3,111 USD|High: $6,935 USD|Avg: $4,447 USD|-0.4%
Retailer 1
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 9$3,308 USD
Retailer 10$3,495 USD
Retailer 12$3,598 USD
Retailer 3$3,705 USD
Retailer 11$4,048 USD
Retailer 1$4,331 USD
Retailer 4$4,498 USD
Retailer 7$4,552 USD
Retailer 2$4,589 USD
Retailer 6$4,864 USD
Retailer 5$5,252 USD
Retailer 8$6,835 USD

40 data points across 12 retailers

23 retailers$3,248 USD to $7,496 USD

B+
Cheapest Retailer
-
$3,248 USD
B+
Retailer 2
-
$3,308 USD
View
B+
Retailer 3
-
$3,430 USD
View
B+
Retailer 4
-
$3,495 USD
View
B+
Retailer 5
-
$3,501 USD
View
B+
Retailer 6
-
$3,535 USD
View
B
Retailer 7
-
$3,598 USD
View
Final sale: no returns
B
Retailer 8
-
$3,694 USD
View
B
Retailer 9
-
$3,705 USD
View
B
Retailer 10
-
$3,725 USD
View
B
Retailer 11
-
$3,898 USD
View
Retailer 12
-
$3,898 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$4,048 USD
View
B
Retailer 14
-
$4,331 USD
View
B
Retailer 15
-
$4,498 USD
View
B
Retailer 16
-
$4,552 USD
View
Retailer 17
-
$4,589 USD
View
Price last confirmed 28 days ago
B
Retailer 18
-
$4,864 USD
View
Retailer 19
-
$4,868 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$5,252 USD
View
C
Retailer 21
-
$6,221 USD
View
B
Retailer 22
-
$6,835 USD
View
Most Expensive
C
NZ Jewellers
5e7b7b9f-a9e6-4925-a396-61eccba89809 · Nov 5
$7,496 USD
View
22 more retailers have this diamond
Prices start from $3,248 USDSave up to $4,248 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
$3,248 USD