Round|Natural|GIA

0.81ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6435664663

Certificate GIA 6435664663

Diamond specifications and retailer prices

From £747 GBP
$1,001 USD
As of November 1, 2026
Save £1,156 GBP (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,903 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.81ct natural round diamond

This 0.81ct natural round sits in the just-under-one-carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6435664663. Listed at 7 retailers as of October 30, 2026, with prices from £747 to £1,903, a £1,156 spread on the same certified stone. NZ Jewellers lists it at £1,903. 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

0.81
Carat
D
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6435664663
Dimensions5.87 × 5.90 × 3.75 mm
L/W Ratio1.01
Top View
5.87 mm5.90 mm0.81 ctD / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6435664663
Side View
Table 57.0%Crown 34°Girdle: MED-THKPavilion 41.4°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 1
Current: £1,903 GBP|Low: £747 GBP|High: £1,903 GBP|Avg: £1,011 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 3£747 GBP
Retailer 5£781 GBP
Retailer 7£781 GBP
Retailer 4£811 GBP
Retailer 8£826 GBP
Retailer 6£900 GBP
Retailer 2£1,095 GBP
Retailer 9£1,125 GBP
NZ Jewellers£1,903 GBP

21 data points across 9 retailers

7 retailers£747 GBP to £1,903 GBP

A
Cheapest Retailer
-
£747 GBP
$1,001 USD
A
Retailer 2
-
£781 GBP
$1,046 USD
View
A
Retailer 3
-
£781 GBP
$1,046 USD
View
A
Retailer 4
-
£811 GBP
$1,086 USD
View
B+
Retailer 5
-
£900 GBP
$1,206 USD
View
B+
Retailer 6
-
£1,095 GBP
€1,397 EUR
View
Most Expensive
B
NZ Jewellers
77b68c6e-f6d4-4c94-a05e-7c03948c320c · Oct 30
£1,903 GBP
$2,550 USD
View
6 more retailers have this diamond
Prices start from £747 GBPSave up to £1,156 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
0.81ct Round
£747 GBP