Round|Natural|GIA

0.81ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1569019991

Certificate GIA 1569019991

Diamond specifications and retailer prices

From £774 GBP
HK$8,100 HKD
As of November 1, 2026
Save £1,115 GBP (59%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,834 GBP at NZ Jewellers · As of September 26, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1569019991. Listed at 20 retailers as of November 1, 2026, with a 144% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1569019991
Dimensions6.00 × 6.03 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.00 mm6.03 mm0.81 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1569019991
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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: £1,154 GBP|Low: £764 GBP|High: £1,989 GBP|Avg: £1,217 GBP|-8.2%
Retailer 1
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 2, 2026
Retailer 10£774 GBP
Retailer 8£775 GBP
Retailer 6£933 GBP
Retailer 3£952 GBP
Retailer 14£964 GBP
Retailer 4£988 GBP
Retailer 11£1,010 GBP
Retailer 1£1,154 GBP
Retailer 12£1,223 GBP
Retailer 13£1,296 GBP
Retailer 7£1,346 GBP
Retailer 5£1,508 GBP
Retailer 2£1,700 GBP
Retailer 9£1,889 GBP

18 data points across 14 retailers

20 retailers£774 GBP to £1,889 GBP

A
Cheapest Retailer
-
£774 GBP
HK$8,100 HKD
A
Retailer 2
-
£775 GBP
₹98,855 INR
View
Retailer 3
-
£933 GBP
€1,191 EUR
View
Price last confirmed 6 days ago
A
Retailer 4
-
£952 GBP
$1,276 USD
View
Final sale: no returns
A
Retailer 5
-
£964 GBP
$1,291 USD
View
A
Retailer 6
-
£988 GBP
$1,324 USD
View
A
Retailer 7
-
£1,010 GBP
SGD 1,829 SGD
View
Retailer 8
-
£1,146 GBP
$1,535 USD
View
Price last confirmed 25 days ago
B+
Retailer 9
-
£1,154 GBP
View
Retailer 10
-
£1,162 GBP
$1,557 USD
View
Price last confirmed 34 days ago
B+
Retailer 11
-
£1,223 GBP
View
B+
Retailer 12
-
£1,296 GBP
$1,737 USD
View
Retailer 13
-
£1,340 GBP
$1,796 USD
View
Price last confirmed 35 days ago
B+
Retailer 14
-
£1,346 GBP
€1,717 EUR
View
B+
Retailer 15
-
£1,372 GBP
A$2,828 AUD
View
B+
Retailer 16
-
£1,508 GBP
$2,021 USD
View
B
Retailer 17
-
£1,700 GBP
CA$3,164 CAD
View
B
Retailer 18
-
£1,889 GBP
View
Retailer 19
-
£2,794 GBP
$3,743 USD
View
Price last confirmed 29 days ago
Most Expensive
NZ Jewellers
9c2908cf-976e-434a-8b5a-331e032ff6f3 · Sep 26
£2,834 GBP
$3,797 USD
View
Price last confirmed 36 days ago
19 more retailers have this diamond
Prices start from £774 GBPSave up to £1,115 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
£774 GBP