Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2507294381

Certificate GIA 2507294381

Diamond specifications and retailer prices

From HK$23,459 HKD
$2,990 USD
As of November 1, 2026
Save HK$28,119 HKD (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$51,578 HKD 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 2507294381. Listed at 18 retailers as of October 30, 2026, with prices from HK$23,459 to HK$51,578, a HK$28,119 spread on the same certified stone. NZ Jewellers lists it at HK$51,578. 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: HK$51,578 HKD|Low: HK$20,626 HKD|High: HK$51,578 HKD|Avg: HK$34,028 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6HK$23,459 HKD
Retailer 7HK$24,753 HKD
Retailer 10HK$25,852 HKD
Retailer 9HK$27,852 HKD
Retailer 2HK$30,752 HKD
Retailer 8HK$31,710 HKD
Retailer 3HK$34,509 HKD
Retailer 5HK$36,388 HKD
Retailer 4HK$49,511 HKD
NZ JewellersHK$51,578 HKD

42 data points across 10 retailers

18 retailersHK$23,459 HKD to HK$51,578 HKD

B+
Cheapest Retailer
-
HK$23,459 HKD
$2,990 USD
B+
Retailer 2
-
HK$23,812 HKD
$3,035 USD
View
B+
Retailer 3
-
HK$24,753 HKD
$3,155 USD
View
Final sale: no returns
B+
Retailer 4
-
HK$25,852 HKD
$3,295 USD
View
B+
Retailer 5
-
HK$26,817 HKD
$3,418 USD
View
B+
Retailer 6
-
HK$26,817 HKD
$3,418 USD
View
B
Retailer 7
-
HK$27,852 HKD
$3,550 USD
View
B
Retailer 8
-
HK$30,363 HKD
$3,870 USD
View
B
Retailer 9
-
HK$30,363 HKD
$3,870 USD
View
B+
Retailer 10
-
HK$30,752 HKD
£3,086 GBP
View
B
Retailer 11
-
HK$30,943 HKD
$3,944 USD
View
B
Retailer 12
-
HK$31,383 HKD
$4,000 USD
View
Retailer 13
-
HK$31,710 HKD
A$6,218 AUD
View
Price last confirmed 24 days ago
Retailer 14
-
HK$33,517 HKD
$4,272 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
HK$34,509 HKD
€4,189 EUR
View
B
Retailer 16
-
HK$36,388 HKD
ZAR 74,927 ZAR
View
B
Retailer 17
-
HK$49,511 HKD
£4,969 GBP
View
Most Expensive
B
NZ Jewellers
80fd30a1-3797-46b8-bdf6-ea6d983cbdec · Oct 30
HK$51,578 HKD
$6,574 USD
View
17 more retailers have this diamond
Prices start from HK$23,459 HKDSave up to HK$28,119 HKD

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
HK$23,459 HKD