Round|Natural|GIA

1.09ct L I2 Round Natural Diamond

EX • L/I2 • GIA 7378358306

Certificate GIA 7378358306

Diamond specifications and retailer prices

From £672 GBP
As of November 5, 2026
Save £258 GBP (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,083 GBP at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.09ct natural round diamond

This 1.09ct natural round sits in the classic one-carat band, graded L colour (faint-tinted) and I2 clarity (included), with a top-tier cut grade and certified by GIA 7378358306. Listed at 7 retailers as of November 5, 2026, with a 38% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
L
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7378358306
Dimensions6.61 × 6.63 × 4.06 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.61 mm6.63 mm1.09 ctL / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7378358306
Side View
Table 60.0%Crown 33.5°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £2,083 GBP|Low: £664 GBP|High: £2,083 GBP|Avg: £923 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 5£664 GBP
Retailer 6£664 GBP
Retailer 7£672 GBP
Retailer 3£689 GBP
Retailer 4£767 GBP
Retailer 2£929 GBP
NZ Jewellers£2,083 GBP

21 data points across 7 retailers

7 retailers£672 GBP to £929 GBP

Retailer 1
-
£664 GBP
Price last confirmed 11 days ago
Retailer 2
-
£664 GBP
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£672 GBP
View
Retailer 4
-
£689 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£767 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£929 GBP
View
Most Expensive
NZ Jewellers
8eb2542f-5aac-4bff-9a4d-0fabaef2341b · Oct 23
£2,083 GBP
$2,803 USD
View
Price last confirmed 13 days ago
6 more retailers have this diamond
Prices start from £672 GBPSave up to £258 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.

B+
1.09ct Round
£672 GBP