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1.10ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 613364505

Shape and cutting style on the report: Round brilliant

Certificate IGI 613364505

Diamond specifications and retailer prices

From £1,526 GBP
$2,045 USD
As of October 30, 2026
Save £2,052 GBP (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,579 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 613364505. Listed at 16 retailers as of October 29, 2026, with prices from £1,526 to £3,579, a £2,052 spread on the same certified stone. Diamond Quarter lists it at £3,579. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 613364505
Dimensions6.69 × 6.67 × 4.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.69 mm6.67 mm1.10 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 613364505
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.9%

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 30
Current: £1,949 GBP|Low: £1,299 GBP|High: £3,532 GBP|Avg: £2,027 GBP
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
October 31, 2026
Retailer 5£1,503 GBP
Retailer 12£1,559 GBP
Retailer 9£1,585 GBP
Retailer 2£1,689 GBP
Retailer 3£1,689 GBP
Retailer 13£1,767 GBP
Retailer 4£1,793 GBP
Retailer 1£1,949 GBP
Retailer 10£1,962 GBP
Retailer 6£2,024 GBP
Retailer 7£2,163 GBP
Retailer 14£2,390 GBP
Retailer 11£2,975 GBP
Retailer 8£3,532 GBP

31 data points across 14 retailers

16 retailers£1,526 GBP to £3,579 GBP

Retailer 1
-
£1,503 GBP
$2,013 USD
Price last confirmed 76 days ago
A
Retailer 2
-
£1,526 GBP
$2,045 USD
View
A
Retailer 3
-
£1,559 GBP
$2,089 USD
View
Final sale: no returns
A
Retailer 4
-
£1,585 GBP
View
Retailer 5
-
£1,689 GBP
$2,263 USD
View
Price last confirmed 11 days ago
Retailer 6
-
£1,767 GBP
$2,368 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
£1,793 GBP
$2,403 USD
View
B+
Retailer 8
-
£1,949 GBP
$2,612 USD
View
Retailer 9
-
£1,949 GBP
$2,612 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£1,962 GBP
View
B+
Retailer 11
-
£2,163 GBP
€2,760 EUR
View
B+
Retailer 12
-
£2,287 GBP
€2,918 EUR
View
Retailer 13
-
£2,390 GBP
€3,050 EUR
View
Price last confirmed 14 days ago
Retailer 14
-
£2,975 GBP
View
Price last confirmed 12 days ago
B
Retailer 15
-
£3,532 GBP
$4,732 USD
View
Most Expensive
B
Diamond Quarter
1.1SI2H61051E1FN · Oct 29
£3,579 GBP
View
15 more retailers have this diamond
Prices start from £1,526 GBPSave up to £2,052 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
1.10ct Round
£1,526 GBP