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1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1565532387

Certificate GIA 1565532387

Diamond specifications and retailer prices

From €1,690 EUR
As of November 6, 2026
Save €2,447 EUR (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €4,137 EUR at MOH London · As of November 4, 2026
View at MOH London

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 top-tier cut grade and certified by GIA 1565532387. Listed at 9 retailers as of November 4, 2026, with prices from €1,690 to €4,137, a €2,447 spread on the same certified stone. MOH London lists it at €4,137. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1565532387
Dimensions6.30 × 6.35 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Needle
Top View
6.30 mm6.35 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565532387
Side View
Table 56.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 63.6%

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 6
Current: €4,137 EUR|Low: €1,690 EUR|High: €4,463 EUR|Avg: €2,531 EUR|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 2€1,690 EUR
Retailer 7€1,795 EUR
Retailer 9€2,120 EUR
Retailer 3€2,169 EUR
Retailer 5€2,385 EUR
Retailer 4€2,392 EUR
Retailer 8€2,521 EUR
Retailer 6€2,643 EUR
MOH London€4,137 EUR

27 data points across 9 retailers

9 retailers€1,690 EUR to €4,137 EUR

A
Cheapest Retailer
-
€1,690 EUR
A
Retailer 2
-
€1,795 EUR
View
Final sale: no returns
A
Retailer 3
-
€2,120 EUR
View
A
Retailer 4
-
€2,169 EUR
View
A
Retailer 5
-
€2,385 EUR
View
A
Retailer 6
-
€2,392 EUR
View
A
Retailer 7
-
€2,521 EUR
View
A
Retailer 8
-
€2,643 EUR
View
Most Expensive
B
MOH London
527A4133F · Nov 4
€4,137 EUR
£3,656 GBP
View
8 more retailers have this diamond
Prices start from €1,690 EURSave up to €2,447 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.

A
1.00ct Round
€1,690 EUR