CaratHunter
Plans
Round|Natural|GIA

1.00ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1565532387

Certificate GIA 1565532387

Diamond specifications and retailer prices

From £1,415 GBP
As of November 5, 2026
Save £2,035 GBP (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,450 GBP 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 £1,415 to £3,450, a £2,035 spread on the same certified stone. MOH London lists it at £3,450. 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 5
Current: £3,450 GBP|Low: £1,415 GBP|High: £3,722 GBP|Avg: £2,111 GBP|-7.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£1,415 GBP
Retailer 6£1,497 GBP
Retailer 9£1,768 GBP
Retailer 2£1,809 GBP
Retailer 4£1,989 GBP
Retailer 3£1,995 GBP
Retailer 8£2,103 GBP
Retailer 5£2,204 GBP
MOH London£3,450 GBP

27 data points across 9 retailers

9 retailers£1,415 GBP to £3,450 GBP

A
Cheapest Retailer
-
£1,415 GBP
A
Retailer 2
-
£1,497 GBP
View
Final sale: no returns
A
Retailer 3
-
£1,768 GBP
View
A
Retailer 4
-
£1,809 GBP
View
A
Retailer 5
-
£1,989 GBP
View
A
Retailer 6
-
£1,995 GBP
View
A
Retailer 7
-
£2,103 GBP
View
A
Retailer 8
-
£2,204 GBP
View
Most Expensive
B
MOH London
527A4133F · Nov 4
£3,450 GBP
View
8 more retailers have this diamond
Prices start from £1,415 GBPSave up to £2,035 GBP

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
£1,415 GBP