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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1488835624

Certificate GIA 1488835624

Diamond specifications and retailer prices

From £1,706 GBP
$2,290 USD
As of November 2, 2026
Save £1,858 GBP (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,564 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 1.13ct natural round diamond

This 1.13ct 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 1488835624. Listed at 12 retailers as of November 1, 2026, with prices from £1,706 to £3,564, a £1,858 spread on the same certified stone. MOH London lists it at £3,564. 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

1.13
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1488835624
Dimensions6.64 × 6.60 × 4.13 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle
Top View
6.64 mm6.60 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488835624
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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 2
Current: £3,564 GBP|Low: £1,551 GBP|High: £3,583 GBP|Avg: £2,137 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7£1,706 GBP
Retailer 9£1,710 GBP
Retailer 6£1,746 GBP
Retailer 2£2,051 GBP
Retailer 5£2,189 GBP
Retailer 8£2,228 GBP
Retailer 3£2,287 GBP
Retailer 4£2,515 GBP
MOH London£3,564 GBP

23 data points across 9 retailers

12 retailers£1,706 GBP to £3,564 GBP

A
Cheapest Retailer
-
£1,706 GBP
$2,290 USD
Final sale: no returns
A
Retailer 2
-
£1,710 GBP
$2,295 USD
View
A
Retailer 3
-
£1,746 GBP
$2,343 USD
View
A
Retailer 4
-
£1,810 GBP
A$3,736 AUD
View
B+
Retailer 5
-
£2,051 GBP
View
B+
Retailer 6
-
£2,189 GBP
$2,938 USD
View
B+
Retailer 7
-
£2,228 GBP
$2,990 USD
View
B+
Retailer 8
-
£2,228 GBP
$2,990 USD
View
B+
Retailer 9
-
£2,287 GBP
View
B+
Retailer 10
-
£2,303 GBP
$3,090 USD
View
B+
Retailer 11
-
£2,515 GBP
€3,214 EUR
View
Most Expensive
B
MOH London
C27379919 · Nov 1
£3,564 GBP
View
11 more retailers have this diamond
Prices start from £1,706 GBPSave up to £1,858 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
1.13ct Round
£1,706 GBP