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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1555544751

Certificate GIA 1555544751

Diamond specifications and retailer prices

From £1,652 GBP
$2,213 USD
As of November 1, 2026
Save £1,956 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,607 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.11ct natural round diamond

This 1.11ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555544751. Listed at 14 retailers as of November 1, 2026, with prices from £1,652 to £3,607, a £1,956 spread on the same certified stone. MOH London lists it at £3,607. 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

1.11
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555544751
Dimensions6.57 × 4.13 × 4.13 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.57 mm4.13 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555544751
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°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: Nov 1
Current: £3,607 GBP|Low: £1,381 GBP|High: £3,626 GBP|Avg: £2,092 GBP|-0.5%
MOH London
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
Retailer 17
November 2, 2026
Retailer 5£1,381 GBP
Retailer 15£1,652 GBP
Retailer 12£1,701 GBP
Retailer 7£1,800 GBP
Retailer 10£1,981 GBP
Retailer 6£2,061 GBP
Retailer 4£2,075 GBP
Retailer 3£2,090 GBP
Retailer 13£2,115 GBP
Retailer 14£2,157 GBP
Retailer 16£2,157 GBP
Retailer 2£2,209 GBP
Retailer 17£2,232 GBP
Retailer 11£2,429 GBP
Retailer 9£2,521 GBP
Retailer 8£2,705 GBP
MOH London£3,607 GBP

19 data points across 17 retailers

14 retailers£1,652 GBP to £3,607 GBP

A
Cheapest Retailer
-
£1,652 GBP
$2,213 USD
A
Retailer 2
-
£1,664 GBP
$2,230 USD
View
A
Retailer 3
-
£1,701 GBP
$2,279 USD
View
A
Retailer 4
-
£1,751 GBP
A$3,609 AUD
View
A
Retailer 5
-
£1,981 GBP
View
B+
Retailer 6
-
£1,984 GBP
$2,659 USD
View
B+
Retailer 7
-
£2,115 GBP
$2,834 USD
View
B+
Retailer 8
-
£2,157 GBP
$2,890 USD
View
B+
Retailer 9
-
£2,157 GBP
$2,890 USD
View
B+
Retailer 10
-
£2,209 GBP
View
B+
Retailer 11
-
£2,232 GBP
$2,990 USD
View
B+
Retailer 12
-
£2,429 GBP
€3,099 EUR
View
Retailer 13
-
£2,705 GBP
$3,625 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
1D3C78D68 · Nov 1
£3,607 GBP
View
13 more retailers have this diamond
Prices start from £1,652 GBPSave up to £1,956 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
1.11ct Round
£1,652 GBP