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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2556369090

Certificate GIA 2556369090

Diamond specifications and retailer prices

From $4,909 NZD
$2,762 USD
As of November 2, 2026
Save $3,987 NZD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $11,122 NZD at NZ Jewellers · As of October 3, 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 2556369090. Listed at 14 retailers as of November 2, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556369090
Dimensions6.60 × 6.64 × 4.12 mm
L/W Ratio1.01
Star length55%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
6.60 mm6.64 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556369090
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,118 NZD|Low: $4,909 NZD|High: $9,042 NZD|Avg: $6,096 NZD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 10$4,909 NZD
Retailer 1$5,118 NZD
Retailer 13$5,190 NZD
Retailer 3$5,319 NZD
Retailer 5$5,549 NZD
Retailer 4$5,598 NZD
Retailer 6$5,607 NZD
Retailer 2$5,704 NZD
Retailer 7$6,000 NZD
Retailer 12$6,018 NZD
Retailer 11$6,196 NZD
Retailer 9$6,539 NZD
Retailer 8$8,896 NZD

24 data points across 13 retailers

14 retailers$4,909 NZD to $8,896 NZD

B+
Cheapest Retailer
-
$4,909 NZD
$2,762 USD
Final sale: no returns
B+
Retailer 2
-
$5,118 NZD
£2,268 GBP
View
B+
Retailer 3
-
$5,190 NZD
$2,920 USD
View
Retailer 4
-
$5,319 NZD
$2,993 USD
View
Price last confirmed 25 days ago
Retailer 5
-
$5,598 NZD
$3,150 USD
View
Price last confirmed 24 days ago
B+
Retailer 6
-
$5,607 NZD
£2,484 GBP
View
Retailer 7
-
$5,704 NZD
A$4,937 AUD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$6,000 NZD
€3,215 EUR
View
B+
Retailer 9
-
$6,018 NZD
$3,386 USD
View
Retailer 10
-
$6,139 NZD
$3,454 USD
View
Price last confirmed 31 days ago
B+
Retailer 11
-
$6,196 NZD
£2,745 GBP
View
B+
Retailer 12
-
$6,539 NZD
ZAR 59,437 ZAR
View
B
Retailer 13
-
$8,896 NZD
£3,941 GBP
View
Most Expensive
NZ Jewellers
a8988151-7674-4540-8775-672913e9829b · Oct 3
$11,122 NZD
$6,258 USD
View
Price last confirmed 30 days ago
13 more retailers have this diamond
Prices start from $4,909 NZDSave up to $3,987 NZD

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.

B+
1.11ct Round
$4,909 NZD