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Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

GD • D/SI2 • GIA 5151807441

Certificate GIA 5151807441

Diamond specifications and retailer prices

From $3,630 USD
As of November 5, 2026
Save $4,604 USD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,234 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 5151807441. Listed at 20 retailers as of November 5, 2026, with prices from $3,630 to $8,234, a $4,604 spread on the same certified stone. NZ Jewellers lists it at $8,234. 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

1.00
Carat
D
Color
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5151807441
Dimensions6.52 × 6.44 × 3.89 mm
L/W Ratio1.01
Top View
6.52 mm6.44 mm1.00 ctD / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 5151807441
Side View
Table 60.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 60.0%

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 5
Current: $8,234 USD|Low: $3,293 USD|High: $8,234 USD|Avg: $5,191 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 8$3,675 USD
Retailer 10$3,952 USD
Retailer 4$4,057 USD
Retailer 11$4,281 USD
Retailer 12$4,281 USD
Retailer 14$4,281 USD
Retailer 7$4,623 USD
Retailer 13$4,940 USD
Retailer 2$5,020 USD
Retailer 3$5,219 USD
Retailer 5$5,663 USD
Retailer 6$6,916 USD
Retailer 9$7,527 USD
NZ Jewellers$8,234 USD

40 data points across 14 retailers

20 retailers$3,630 USD to $8,234 USD

B
Cheapest Retailer
-
$3,630 USD
B+
Retailer 2
-
$3,675 USD
View
B
Retailer 3
-
$3,767 USD
View
B
Retailer 4
-
$3,952 USD
View
Final sale: no returns
B
Retailer 5
-
$4,041 USD
View
B
Retailer 6
-
$4,057 USD
View
B
Retailer 7
-
$4,281 USD
View
Retailer 8
-
$4,281 USD
View
Price last confirmed 8 days ago
B
Retailer 9
-
$4,281 USD
View
B
Retailer 10
-
$4,623 USD
View
B
Retailer 11
-
$4,662 USD
View
B
Retailer 12
-
$4,820 USD
View
B
Retailer 13
-
$4,820 USD
View
B
Retailer 14
-
$4,940 USD
View
B
Retailer 15
-
$4,980 USD
View
B
Retailer 16
-
$5,020 USD
View
Retailer 17
-
$5,219 USD
View
Price last confirmed 14 days ago
C
Retailer 18
-
$7,184 USD
View
C
Retailer 19
-
$7,527 USD
View
Most Expensive
C
NZ Jewellers
d8f8aaed-5d6c-49ad-a4ac-db313940aff6 · Nov 5
$8,234 USD
View
19 more retailers have this diamond
Prices start from $3,630 USDSave up to $4,604 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+
1.00ct Round
$3,630 USD