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1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2554971059

Certificate GIA 2554971059

Diamond specifications and retailer prices

From $2,463 SGD
As of October 31, 2026
Save $2,334 SGD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,797 SGD 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 $2,463 to $4,797, a $2,334 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,797. 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 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: $3,155 SGD|Low: $2,463 SGD|High: $4,845 SGD|Avg: $3,528 SGD|-1.0%
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 2, 2026
Retailer 11$2,463 SGD
Retailer 9$2,912 SGD
Retailer 8$2,938 SGD
Retailer 1$3,155 SGD
Retailer 2$3,200 SGD
Retailer 10$3,466 SGD
Retailer 12$3,639 SGD
Retailer 7$3,679 SGD
Retailer 5$3,683 SGD
Retailer 4$3,751 SGD
Retailer 6$3,771 SGD
Retailer 3$4,477 SGD
Wholesale Diamonds Direct$4,797 SGD

32 data points across 13 retailers

12 retailers$2,463 SGD to $4,797 SGD

A
Cheapest Retailer
-
$2,463 SGD
A
Retailer 2
-
$2,912 SGD
$2,277 USD
View
A
Retailer 3
-
$2,938 SGD
$2,297 USD
View
A
Retailer 4
-
$3,155 SGD
£1,943 GBP
View
A
Retailer 5
-
$3,200 SGD
View
B+
Retailer 6
-
$3,466 SGD
$2,710 USD
View
B+
Retailer 7
-
$3,639 SGD
$2,845 USD
View
B+
Retailer 8
-
$3,679 SGD
£2,265 GBP
View
B+
Retailer 9
-
$3,683 SGD
$2,880 USD
View
B+
Retailer 10
-
$3,771 SGD
€2,808 EUR
View
B
Retailer 11
-
$4,477 SGD
$3,501 USD
View
Most Expensive
B
Wholesale Diamonds Direct
617396327 · Oct 27
$4,797 SGD
$3,751 USD
View
11 more retailers have this diamond
Prices start from $2,463 SGDSave up to $2,334 SGD

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
$2,463 SGD