Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2507294381

Certificate GIA 2507294381

Diamond specifications and retailer prices

From $5,314 NZD
$2,990 USD
As of November 1, 2026
Save $6,370 NZD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,684 NZD at NZ Jewellers · As of November 2, 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 2507294381. Listed at 18 retailers as of November 1, 2026, with prices from $5,314 to $11,684, a $6,370 spread on the same certified stone. NZ Jewellers lists it at $11,684. 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°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 2507294381
Dimensions6.63 × 6.60 × 4.11 mm
L/W Ratio1.00
Star length45%
Lower girdle75%
Top View
6.63 mm6.60 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2507294381
Side View
Table 56.0%Crown 35°Girdle: ThickPavilion 40.6°Culet: NoneDepth 62.1%

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 1
Current: $11,684 NZD|Low: $4,673 NZD|High: $11,684 NZD|Avg: $7,708 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6$5,314 NZD
Retailer 7$5,607 NZD
Retailer 10$5,856 NZD
Retailer 9$6,309 NZD
Retailer 2$6,966 NZD
Retailer 8$7,183 NZD
Retailer 3$7,817 NZD
Retailer 5$8,243 NZD
Retailer 4$11,216 NZD
NZ Jewellers$11,684 NZD

42 data points across 10 retailers

18 retailers$5,314 NZD to $11,684 NZD

B+
Cheapest Retailer
-
$5,314 NZD
$2,990 USD
B+
Retailer 2
-
$5,394 NZD
$3,035 USD
View
B+
Retailer 3
-
$5,607 NZD
$3,155 USD
View
Final sale: no returns
B+
Retailer 4
-
$5,856 NZD
$3,295 USD
View
B+
Retailer 5
-
$6,075 NZD
$3,418 USD
View
B+
Retailer 6
-
$6,075 NZD
$3,418 USD
View
B
Retailer 7
-
$6,309 NZD
$3,550 USD
View
B
Retailer 8
-
$6,878 NZD
$3,870 USD
View
B
Retailer 9
-
$6,878 NZD
$3,870 USD
View
B+
Retailer 10
-
$6,966 NZD
£3,086 GBP
View
B
Retailer 11
-
$7,010 NZD
$3,944 USD
View
B
Retailer 12
-
$7,109 NZD
$4,000 USD
View
Retailer 13
-
$7,183 NZD
A$6,218 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
$7,593 NZD
$4,272 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$7,817 NZD
€4,189 EUR
View
B
Retailer 16
-
$8,243 NZD
ZAR 74,927 ZAR
View
B
Retailer 17
-
$11,216 NZD
£4,969 GBP
View
Most Expensive
B
NZ Jewellers
80fd30a1-3797-46b8-bdf6-ea6d983cbdec · Nov 2
$11,684 NZD
$6,574 USD
View
17 more retailers have this diamond
Prices start from $5,314 NZDSave up to $6,370 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
$5,314 NZD