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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2517592316

Certificate GIA 2517592316

Diamond specifications and retailer prices

From £1,999 GBP
$2,679 USD
As of October 31, 2026
Save £1,760 GBP (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,759 GBP at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 2517592316. Listed at 12 retailers as of October 26, 2026, with prices from £1,999 to £3,759, a £1,760 spread on the same certified stone. Wholesale Diamonds Direct lists it at £3,759. 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
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2517592316
Dimensions6.58 × 6.53 × 4.11 mm
L/W Ratio1.01
Top View
6.58 mm6.53 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2517592316
Side View
Table 57.0%Crown 36°Girdle: Slightly ThickPavilion 40.6°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: Oct 31
Current: £3,028 GBP|Low: £2,000 GBP|High: £3,073 GBP|Avg: £2,539 GBP|+1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 2, 2026
Retailer 4£2,027 GBP
Retailer 3£2,068 GBP
Retailer 5£2,563 GBP
Retailer 2£2,858 GBP
Retailer 1£3,028 GBP

39 data points across 5 retailers

12 retailers£1,999 GBP to £3,759 GBP

A
Cheapest Retailer
-
£1,999 GBP
$2,679 USD
B+
Retailer 2
-
£2,027 GBP
$2,716 USD
View
B+
Retailer 3
-
£2,052 GBP
$2,750 USD
View
B+
Retailer 4
-
£2,068 GBP
$2,771 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,175 GBP
A$4,483 AUD
View
B+
Retailer 6
-
£2,411 GBP
CA$4,487 CAD
View
B
Retailer 7
-
£2,563 GBP
$3,434 USD
View
B
Retailer 8
-
£2,563 GBP
$3,434 USD
View
B+
Retailer 9
-
£2,858 GBP
€3,647 EUR
View
B
Retailer 10
-
£3,028 GBP
View
B
Retailer 11
-
£3,059 GBP
$4,099 USD
View
Most Expensive
B
Wholesale Diamonds Direct
154143258 · Oct 26
£3,759 GBP
$5,037 USD
View
11 more retailers have this diamond
Prices start from £1,999 GBPSave up to £1,760 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
£1,999 GBP