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Round|Natural|GIA

0.81ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6565611640

Certificate GIA 6565611640

Diamond specifications and retailer prices

From £659 GBP
HK$6,900 HKD
As of October 30, 2026
Save £1,533 GBP (70%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,192 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565611640. Listed at 19 retailers as of October 30, 2026, with prices from £659 to £2,192, a £1,533 spread on the same certified stone. NZ Jewellers lists it at £2,192. 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

0.81
Carat
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6565611640
Dimensions5.88 × 5.92 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
5.88 mm5.92 mm0.81 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565611640
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.4%

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: Oct 30
Current: £2,192 GBP|Low: £659 GBP|High: £2,192 GBP|Avg: £995 GBP
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 30, 2026
Retailer 15£659 GBP
Retailer 11£679 GBP
Retailer 10£740 GBP
Retailer 8£802 GBP
Retailer 5£829 GBP
Retailer 4£843 GBP
Retailer 3£899 GBP
Retailer 14£899 GBP
Retailer 7£929 GBP
Retailer 16£934 GBP
Retailer 6£937 GBP
Retailer 2£940 GBP
Retailer 18£1,002 GBP
Retailer 12£1,020 GBP
Retailer 9£1,037 GBP
Retailer 17£1,126 GBP
Retailer 13£1,655 GBP
NZ Jewellers£2,192 GBP

12 data points across 18 retailers

19 retailers£659 GBP to £2,192 GBP

A
Cheapest Retailer
-
£659 GBP
HK$6,900 HKD
A
Retailer 2
-
£679 GBP
₹86,640 INR
View
A
Retailer 3
-
£740 GBP
$992 USD
View
A
Retailer 4
-
£799 GBP
A$1,646 AUD
View
Retailer 5
-
£802 GBP
$1,075 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£829 GBP
$1,111 USD
View
Final sale: no returns
A
Retailer 7
-
£843 GBP
$1,130 USD
View
A
Retailer 8
-
£899 GBP
$1,204 USD
View
A
Retailer 9
-
£899 GBP
$1,204 USD
View
A
Retailer 10
-
£929 GBP
SGD 1,683 SGD
View
A
Retailer 11
-
£934 GBP
$1,251 USD
View
A
Retailer 12
-
£937 GBP
$1,255 USD
View
A
Retailer 13
-
£940 GBP
$1,260 USD
View
B+
Retailer 14
-
£1,002 GBP
$1,343 USD
View
B+
Retailer 15
-
£1,020 GBP
View
B+
Retailer 16
-
£1,037 GBP
$1,390 USD
View
B+
Retailer 17
-
£1,126 GBP
$1,509 USD
View
B
Retailer 18
-
£1,655 GBP
View
Most Expensive
B
NZ Jewellers
3c879c23-5240-4eb4-ad28-f5ca13ab54df · Oct 30
£2,192 GBP
$2,937 USD
View
18 more retailers have this diamond
Prices start from £659 GBPSave up to £1,533 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
£659 GBP