Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552600052

Certificate GIA 6552600052

Diamond specifications and retailer prices

From $1,504 USD
SGD 2,032 SGD
As of October 31, 2026
Save $3,089 USD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,593 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 6552600052. Listed at 8 retailers as of October 30, 2026, with prices from $1,504 to $4,593, a $3,089 spread on the same certified stone. NZ Jewellers lists it at $4,593. 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
FluorescenceFaint
Crown angle36°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6552600052
Dimensions6.62 × 6.58 × 4.15 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Feather, Natural
Top View
6.62 mm6.58 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6552600052
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

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: $4,593 USD|Low: $1,504 USD|High: $4,774 USD|Avg: $2,660 USD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 7$1,504 USD
Retailer 2$1,670 USD
Retailer 3$1,812 USD
Retailer 5$1,883 USD
Retailer 6$2,046 USD
Retailer 8$2,048 USD
Retailer 10$2,765 USD
Retailer 9$2,959 USD
Retailer 4$3,299 USD
NZ Jewellers$4,593 USD

42 data points across 10 retailers

8 retailers$1,504 USD to $4,593 USD

A
Cheapest Retailer
-
$1,504 USD
SGD 2,032 SGD
A
Retailer 2
-
$1,670 USD
View
A
Retailer 3
-
$1,812 USD
£1,427 GBP
View
A
Retailer 4
-
$1,883 USD
View
A
Retailer 5
-
$2,046 USD
View
A
Retailer 6
-
$2,048 USD
View
B+
Retailer 7
-
$3,299 USD
£2,598 GBP
View
Most Expensive
B
NZ Jewellers
399d53ce-f40a-492c-849c-2ccf37496c2c · Oct 30
$4,593 USD
View
7 more retailers have this diamond
Prices start from $1,504 USDSave up to $3,089 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
$1,504 USD