Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1555544751

Certificate GIA 1555544751

Diamond specifications and retailer prices

From $2,213 USD
As of October 30, 2026
Save $2,646 USD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,859 USD at MOH London · As of October 29, 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 October 29, 2026, with prices from $2,213 to $4,859, a $2,646 spread on the same certified stone. MOH London lists it at $4,859. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,859 USD|Low: $1,850 USD|High: $4,859 USD|Avg: $2,783 USD
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
October 31, 2026
Retailer 5$1,850 USD
Retailer 15$2,213 USD
Retailer 10$2,279 USD
Retailer 7$2,412 USD
Retailer 11$2,662 USD
Retailer 6$2,761 USD
Retailer 4$2,780 USD
Retailer 3$2,800 USD
Retailer 13$2,834 USD
Retailer 14$2,890 USD
Retailer 16$2,890 USD
Retailer 2$2,935 USD
Retailer 17$2,990 USD
Retailer 12$3,276 USD
Retailer 9$3,378 USD
Retailer 8$3,625 USD
MOH London$4,859 USD

18 data points across 17 retailers

14 retailers$2,213 USD to $4,859 USD

A
Cheapest Retailer
-
$2,213 USD
A
Retailer 2
-
$2,230 USD
View
A
Retailer 3
-
$2,279 USD
View
A
Retailer 4
-
$2,346 USD
A$3,609 AUD
View
B+
Retailer 5
-
$2,659 USD
View
B+
Retailer 6
-
$2,662 USD
£2,096 GBP
View
B+
Retailer 7
-
$2,834 USD
View
B+
Retailer 8
-
$2,890 USD
View
B+
Retailer 9
-
$2,890 USD
View
B+
Retailer 10
-
$2,935 USD
£2,311 GBP
View
B+
Retailer 11
-
$2,990 USD
View
B
Retailer 12
-
$3,276 USD
€3,120 EUR
View
Retailer 13
-
$3,625 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
1D3C78D68 · Oct 29
$4,859 USD
£3,826 GBP
View
13 more retailers have this diamond
Prices start from $2,213 USDSave up to $2,646 USD

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
$2,213 USD