Round|Natural|GIA

0.80ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6492961680

Certificate GIA 6492961680

Diamond specifications and retailer prices

From £954 GBP
$1,278 USD
As of October 31, 2026
Save £1,829 GBP (66%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,782 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct 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 6492961680. Listed at 23 retailers as of October 30, 2026, with prices from £954 to £2,782, a £1,829 spread on the same certified stone. NZ Jewellers lists it at £2,782. 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

0.80
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6492961680
Dimensions5.88 × 5.91 × 3.71 mm
L/W Ratio1.01
Star length45%
Lower girdle80%
Top View
5.88 mm5.91 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6492961680
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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 31
Current: £2,782 GBP|Low: £954 GBP|High: £2,782 GBP|Avg: £1,519 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
November 1, 2026
Retailer 6£954 GBP
Retailer 13£1,034 GBP
Retailer 15£1,034 GBP
Retailer 14£1,081 GBP
Retailer 3£1,193 GBP
Retailer 5£1,250 GBP
Retailer 10£1,265 GBP
Retailer 4£1,365 GBP
Retailer 8£1,438 GBP
Retailer 7£1,488 GBP
Retailer 2£1,551 GBP
Retailer 12£1,683 GBP
Retailer 9£1,998 GBP
Retailer 11£2,365 GBP
NZ Jewellers£2,782 GBP

32 data points across 15 retailers

23 retailers£954 GBP to £2,782 GBP

A
Cheapest Retailer
-
£954 GBP
$1,278 USD
Final sale: no returns
A
Retailer 2
-
£958 GBP
$1,283 USD
View
A
Retailer 3
-
£1,034 GBP
$1,385 USD
View
A
Retailer 4
-
£1,034 GBP
$1,385 USD
View
B+
Retailer 5
-
£1,077 GBP
$1,443 USD
View
B+
Retailer 6
-
£1,081 GBP
$1,448 USD
View
B+
Retailer 7
-
£1,096 GBP
$1,468 USD
View
B+
Retailer 8
-
£1,111 GBP
$1,488 USD
View
B+
Retailer 9
-
£1,112 GBP
$1,490 USD
View
B+
Retailer 10
-
£1,187 GBP
$1,590 USD
View
B+
Retailer 11
-
£1,187 GBP
$1,590 USD
View
B+
Retailer 12
-
£1,193 GBP
$1,598 USD
View
B+
Retailer 13
-
£1,224 GBP
$1,640 USD
View
B+
Retailer 14
-
£1,250 GBP
$1,675 USD
View
B+
Retailer 15
-
£1,265 GBP
View
B+
Retailer 16
-
£1,365 GBP
View
B+
Retailer 17
-
£1,438 GBP
View
Retailer 18
-
£1,488 GBP
A$3,068 AUD
View
Price last confirmed 27 days ago
B+
Retailer 19
-
£1,551 GBP
€1,979 EUR
View
B
Retailer 20
-
£1,683 GBP
ZAR 36,430 ZAR
View
B
Retailer 21
-
£1,998 GBP
View
B
Retailer 22
-
£2,365 GBP
View
Most Expensive
B
NZ Jewellers
5c0e48e3-4604-49d0-97b3-66e479934311 · Oct 30
£2,782 GBP
$3,728 USD
View
22 more retailers have this diamond
Prices start from £954 GBPSave up to £1,829 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
0.80ct Round
£954 GBP