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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2554971059

Certificate GIA 2554971059

Diamond specifications and retailer prices

From $1,926 USD
SGD 2,603 SGD
As of October 31, 2026
Save $1,825 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,751 USD at Wholesale Diamonds Direct · As of October 27, 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 2554971059. Listed at 12 retailers as of October 27, 2026, with prices from $1,926 to $3,751, a $1,825 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,751. 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 angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 2554971059
Dimensions6.59 × 6.63 × 4.13 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.59 mm6.63 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554971059
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°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: Oct 31
Current: $2,880 USD|Low: $1,926 USD|High: $3,788 USD|Avg: $2,745 USD|-2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 1, 2026
Retailer 11$1,926 USD
Retailer 9$2,277 USD
Retailer 8$2,297 USD
Retailer 6$2,467 USD
Retailer 2$2,502 USD
Retailer 10$2,710 USD
Retailer 12$2,845 USD
Retailer 7$2,877 USD
Retailer 1$2,880 USD
Retailer 4$2,933 USD
Retailer 5$2,948 USD
Retailer 3$3,501 USD
Wholesale Diamonds Direct$3,751 USD

31 data points across 13 retailers

12 retailers$1,926 USD to $3,751 USD

A
Cheapest Retailer
-
$1,926 USD
SGD 2,603 SGD
A
Retailer 2
-
$2,277 USD
View
A
Retailer 3
-
$2,297 USD
View
A
Retailer 4
-
$2,467 USD
£1,943 GBP
View
A
Retailer 5
-
$2,502 USD
SGD 3,381 SGD
View
B+
Retailer 6
-
$2,710 USD
View
B+
Retailer 7
-
$2,845 USD
View
B+
Retailer 8
-
$2,877 USD
£2,265 GBP
View
B+
Retailer 9
-
$2,880 USD
View
B+
Retailer 10
-
$2,948 USD
€2,808 EUR
View
B
Retailer 11
-
$3,501 USD
View
Most Expensive
B
Wholesale Diamonds Direct
617396327 · Oct 27
$3,751 USD
View
11 more retailers have this diamond
Prices start from $1,926 USDSave up to $1,825 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
$1,926 USD