Round|Natural|GIA

1.10ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 5523400205

Certificate GIA 5523400205

Diamond specifications and retailer prices

From £2,958 GBP
$3,964 USD
As of October 28, 2026
Save £2,951 GBP (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £5,909 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.1ct natural round diamond

This 1.1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5523400205. Listed at 13 retailers as of October 27, 2026, with prices from £2,958 to £5,909, a £2,951 spread on the same certified stone. NZ Jewellers lists it at £5,909. 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

1.10
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5523400205
Dimensions6.58 × 6.54 × 4.10 mm
L/W Ratio1.01
Top View
6.58 mm6.54 mm1.10 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5523400205
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Oct 28
Current: £5,909 GBP|Low: £2,800 GBP|High: £5,909 GBP|Avg: £3,773 GBP|+2.5%
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
October 28, 2026
Retailer 6£2,953 GBP
Retailer 4£2,958 GBP
Retailer 11£3,045 GBP
Retailer 15£3,062 GBP
Retailer 13£3,130 GBP
Retailer 3£3,392 GBP
Retailer 5£3,392 GBP
Retailer 12£3,392 GBP
Retailer 14£3,419 GBP
Retailer 8£3,503 GBP
Retailer 2£3,833 GBP
Retailer 16£3,914 GBP
Retailer 9£4,130 GBP
Retailer 7£5,346 GBP
Retailer 10£5,409 GBP
NZ Jewellers£5,909 GBP

29 data points across 16 retailers

13 retailers£2,958 GBP to £5,909 GBP

B+
Cheapest Retailer
-
£2,958 GBP
$3,964 USD
Retailer 2
-
£3,045 GBP
$4,080 USD
View
Price last confirmed 7 days ago
Retailer 3
-
£3,062 GBP
$4,103 USD
View
Price last confirmed 7 days ago
B
Retailer 4
-
£3,130 GBP
$4,194 USD
View
Final sale: no returns
B
Retailer 5
-
£3,392 GBP
$4,545 USD
View
Retailer 6
-
£3,392 GBP
$4,545 USD
View
Price last confirmed 7 days ago
Retailer 7
-
£3,392 GBP
$4,545 USD
View
Price last confirmed 7 days ago
Retailer 8
-
£3,419 GBP
A$7,048 AUD
View
Price last confirmed 22 days ago
B
Retailer 9
-
£3,833 GBP
€4,891 EUR
View
B
Retailer 10
-
£3,914 GBP
$5,244 USD
View
B
Retailer 11
-
£4,130 GBP
ZAR 89,402 ZAR
View
B
Retailer 12
-
£5,409 GBP
View
Most Expensive
B
NZ Jewellers
9d8833db-9996-448e-9aa6-42f93131bd7a · Oct 27
£5,909 GBP
$7,918 USD
View
12 more retailers have this diamond
Prices start from £2,958 GBPSave up to £2,951 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+
1.10ct Round
£2,958 GBP