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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 €3,234 EUR
As of November 5, 2026
Save €4,102 EUR (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €7,336 EUR 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 €3,234 to €7,336, a €4,102 spread on the same certified stone. NZ Jewellers lists it at €7,336. 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
Colour
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: €7,336 EUR|Low: €2,934 EUR|High: €7,336 EUR|Avg: €4,625 EUR
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€3,274 EUR
Retailer 10€3,521 EUR
Retailer 4€3,615 EUR
Retailer 11€3,814 EUR
Retailer 12€3,814 EUR
Retailer 14€3,814 EUR
Retailer 7€4,119 EUR
Retailer 13€4,401 EUR
Retailer 2€4,473 EUR
Retailer 3€4,650 EUR
Retailer 5€5,045 EUR
Retailer 6€6,162 EUR
Retailer 9€6,706 EUR
NZ Jewellers€7,336 EUR

40 data points across 14 retailers

20 retailers€3,234 EUR to €7,336 EUR

B
Cheapest Retailer
-
€3,234 EUR
B+
Retailer 2
-
€3,274 EUR
View
B
Retailer 3
-
€3,356 EUR
View
B
Retailer 4
-
€3,521 EUR
View
Final sale: no returns
B
Retailer 5
-
€3,600 EUR
View
B
Retailer 6
-
€3,615 EUR
View
B
Retailer 7
-
€3,814 EUR
View
Retailer 8
-
€3,814 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
€3,814 EUR
View
B
Retailer 10
-
€4,119 EUR
View
B
Retailer 11
-
€4,154 EUR
View
B
Retailer 12
-
€4,294 EUR
View
B
Retailer 13
-
€4,294 EUR
View
B
Retailer 14
-
€4,401 EUR
View
B
Retailer 15
-
€4,437 EUR
View
B
Retailer 16
-
€4,473 EUR
View
Retailer 17
-
€4,650 EUR
View
Price last confirmed 14 days ago
C
Retailer 18
-
€6,401 EUR
View
C
Retailer 19
-
€6,706 EUR
View
Most Expensive
C
NZ Jewellers
d8f8aaed-5d6c-49ad-a4ac-db313940aff6 · Nov 5
€7,336 EUR
$8,234 USD
View
19 more retailers have this diamond
Prices start from €3,234 EURSave up to €4,102 EUR

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
€3,234 EUR