Round|Natural|GIA

0.80ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5241042507

Certificate GIA 5241042507

Diamond specifications and retailer prices

From £1,012 GBP
$1,356 USD
As of October 31, 2026
Save £1,942 GBP (66%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,954 GBP at NZ Jewellers · As of October 20, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5241042507. Listed at 25 retailers as of October 30, 2026, with a 192% 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

0.80
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 5241042507
Dimensions5.87 × 5.90 × 3.69 mm
L/W Ratio1.01
Culet sizeNone
Top View
5.87 mm5.90 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5241042507
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: £1,527 GBP|Low: £928 GBP|High: £2,431 GBP|Avg: £1,492 GBP|-1.3%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 3£1,012 GBP
Retailer 4£1,017 GBP
Retailer 14£1,097 GBP
Retailer 5£1,168 GBP
Retailer 2£1,254 GBP
Retailer 8£1,254 GBP
Retailer 7£1,291 GBP
Retailer 16£1,327 GBP
Retailer 9£1,349 GBP
Retailer 15£1,441 GBP
Retailer 1£1,527 GBP
Retailer 6£1,580 GBP
Retailer 11£1,654 GBP
Retailer 10£1,804 GBP
Retailer 12£2,133 GBP
Retailer 13£2,426 GBP

35 data points across 16 retailers

25 retailers£1,012 GBP to £2,954 GBP

A
Cheapest Retailer
-
£1,012 GBP
$1,356 USD
Final sale: no returns
A
Retailer 2
-
£1,017 GBP
$1,363 USD
View
Retailer 3
-
£1,097 GBP
$1,470 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
£1,097 GBP
$1,470 USD
View
Retailer 5
-
£1,097 GBP
$1,470 USD
View
Price last confirmed 10 days ago
Retailer 6
-
£1,148 GBP
$1,538 USD
View
Price last confirmed 33 days ago
A
Retailer 7
-
£1,157 GBP
$1,550 USD
View
A
Retailer 8
-
£1,168 GBP
$1,565 USD
View
B+
Retailer 9
-
£1,254 GBP
$1,680 USD
View
B+
Retailer 10
-
£1,254 GBP
$1,680 USD
View
Retailer 11
-
£1,266 GBP
$1,696 USD
View
Price last confirmed 23 days ago
Retailer 12
-
£1,266 GBP
$1,696 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
£1,266 GBP
$1,696 USD
View
B+
Retailer 14
-
£1,291 GBP
$1,730 USD
View
B+
Retailer 15
-
£1,327 GBP
$1,778 USD
View
B+
Retailer 16
-
£1,349 GBP
View
B+
Retailer 17
-
£1,441 GBP
View
B+
Retailer 18
-
£1,527 GBP
View
Retailer 19
-
£1,580 GBP
A$3,257 AUD
View
Price last confirmed 26 days ago
B+
Retailer 20
-
£1,654 GBP
€2,111 EUR
View
B+
Retailer 21
-
£1,804 GBP
ZAR 39,042 ZAR
View
B
Retailer 22
-
£2,133 GBP
View
B
Retailer 23
-
£2,426 GBP
View
B
Retailer 24
-
£2,954 GBP
$3,958 USD
View
Most Expensive
NZ Jewellers
ce5de91c-3111-4bc3-9bfc-913d5b0b6936 · Oct 20
£2,954 GBP
$3,958 USD
View
Price last confirmed 12 days ago
24 more retailers have this diamond
Prices start from £1,012 GBPSave up to £1,942 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
£1,012 GBP