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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555581539

Certificate GIA 3555581539

Diamond specifications and retailer prices

From $2,970 AUD
HK$16,300 HKD
As of October 30, 2026
Save $4,014 AUD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,984 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.13ct natural round diamond

This 1.13ct 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 3555581539. Listed at 16 retailers as of October 26, 2026, with prices from $2,970 to $6,984, a $4,014 spread on the same certified stone. MOH London lists it at $6,984. 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

1.13
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555581539
Dimensions6.65 × 6.61 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.65 mm6.61 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555581539
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.0%

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 30
Current: $6,984 AUD|Low: $2,970 AUD|High: $7,194 AUD|Avg: $4,163 AUD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$2,970 AUD
Retailer 9$3,187 AUD
Retailer 5$3,192 AUD
Retailer 14$3,328 AUD
Retailer 2$3,434 AUD
Retailer 15$3,498 AUD
Retailer 13$3,573 AUD
Retailer 3$3,602 AUD
Retailer 7$3,717 AUD
Retailer 10$3,857 AUD
Retailer 8$3,922 AUD
Retailer 11$4,090 AUD
Retailer 17$4,568 AUD
Retailer 12$4,847 AUD
Retailer 6$5,808 AUD
Retailer 16$6,007 AUD
MOH London$6,984 AUD

21 data points across 17 retailers

16 retailers$2,970 AUD to $6,984 AUD

A
Cheapest Retailer
-
$2,970 AUD
HK$16,300 HKD
A
Retailer 2
-
$3,192 AUD
$2,242 USD
View
A
Retailer 3
-
$3,328 AUD
$2,338 USD
View
Final sale: no returns
Retailer 4
-
$3,434 AUD
€2,297 EUR
View
Price last confirmed 2 days ago
A
Retailer 5
-
$3,498 AUD
$2,457 USD
View
A
Retailer 6
-
$3,503 AUD
View
A
Retailer 7
-
$3,573 AUD
$2,510 USD
View
A
Retailer 8
-
$3,602 AUD
$2,530 USD
View
A
Retailer 9
-
$3,717 AUD
$2,611 USD
View
A
Retailer 10
-
$3,857 AUD
£2,133 GBP
View
B+
Retailer 11
-
$3,922 AUD
View
B+
Retailer 12
-
$4,090 AUD
$2,873 USD
View
B+
Retailer 13
-
$4,847 AUD
ZAR 55,006 ZAR
View
B
Retailer 14
-
$5,808 AUD
$4,080 USD
View
B
Retailer 15
-
$6,007 AUD
$4,219 USD
View
Most Expensive
B
MOH London
4314482EF · Oct 26
$6,984 AUD
£3,863 GBP
View
15 more retailers have this diamond
Prices start from $2,970 AUDSave up to $4,014 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
1.13ct Round
$2,970 AUD