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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 $2,742 AUD
SGD 2,603 SGD
As of October 31, 2026
Save $2,598 AUD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,340 AUD 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 $2,742 to $5,340, a $2,598 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,340. 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: $3,512 AUD|Low: $2,742 AUD|High: $5,393 AUD|Avg: $3,927 AUD|-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$2,742 AUD
Retailer 9$3,242 AUD
Retailer 8$3,270 AUD
Retailer 1$3,512 AUD
Retailer 2$3,562 AUD
Retailer 10$3,858 AUD
Retailer 12$4,051 AUD
Retailer 7$4,095 AUD
Retailer 5$4,100 AUD
Retailer 4$4,176 AUD
Retailer 6$4,197 AUD
Retailer 3$4,984 AUD
Wholesale Diamonds Direct$5,340 AUD

32 data points across 13 retailers

12 retailers$2,742 AUD to $5,340 AUD

A
Cheapest Retailer
-
$2,742 AUD
SGD 2,603 SGD
A
Retailer 2
-
$3,242 AUD
$2,277 USD
View
A
Retailer 3
-
$3,270 AUD
$2,297 USD
View
A
Retailer 4
-
$3,512 AUD
£1,943 GBP
View
A
Retailer 5
-
$3,562 AUD
SGD 3,381 SGD
View
B+
Retailer 6
-
$3,858 AUD
$2,710 USD
View
B+
Retailer 7
-
$4,051 AUD
$2,845 USD
View
B+
Retailer 8
-
$4,095 AUD
£2,265 GBP
View
B+
Retailer 9
-
$4,100 AUD
$2,880 USD
View
B+
Retailer 10
-
$4,197 AUD
€2,808 EUR
View
B
Retailer 11
-
$4,984 AUD
$3,501 USD
View
Most Expensive
B
Wholesale Diamonds Direct
617396327 · Oct 27
$5,340 AUD
$3,751 USD
View
11 more retailers have this diamond
Prices start from $2,742 AUDSave up to $2,598 AUD

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
$2,742 AUD