Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1488835624

Certificate GIA 1488835624

Diamond specifications and retailer prices

From $3,260 AUD
$2,290 USD
As of October 31, 2026
Save $3,549 AUD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,809 AUD at MOH London · As of November 1, 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 1488835624. Listed at 12 retailers as of October 31, 2026, with prices from $3,260 to $6,809, a $3,549 spread on the same certified stone. MOH London lists it at $6,809. 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 angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1488835624
Dimensions6.64 × 6.60 × 4.13 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Twinning Wisp, Crystal, Cloud, Feather, Needle
Top View
6.64 mm6.60 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1488835624
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

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: $6,809 AUD|Low: $2,964 AUD|High: $6,845 AUD|Avg: $4,104 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$3,260 AUD
Retailer 9$3,267 AUD
Retailer 6$3,335 AUD
Retailer 3$3,918 AUD
Retailer 5$4,183 AUD
Retailer 8$4,257 AUD
Retailer 10$4,257 AUD
Retailer 2$4,369 AUD
Retailer 4$4,804 AUD
MOH London$6,809 AUD

23 data points across 10 retailers

12 retailers$3,260 AUD to $6,809 AUD

A
Cheapest Retailer
-
$3,260 AUD
$2,290 USD
Final sale: no returns
A
Retailer 2
-
$3,267 AUD
$2,295 USD
View
A
Retailer 3
-
$3,335 AUD
$2,343 USD
View
A
Retailer 4
-
$3,457 AUD
View
B+
Retailer 5
-
$3,918 AUD
£2,167 GBP
View
B+
Retailer 6
-
$4,183 AUD
$2,938 USD
View
B+
Retailer 7
-
$4,257 AUD
$2,990 USD
View
B+
Retailer 8
-
$4,257 AUD
$2,990 USD
View
B+
Retailer 9
-
$4,369 AUD
£2,417 GBP
View
B+
Retailer 10
-
$4,399 AUD
$3,090 USD
View
B+
Retailer 11
-
$4,804 AUD
€3,214 EUR
View
Most Expensive
B
MOH London
C27379919 · Nov 1
$6,809 AUD
£3,766 GBP
View
11 more retailers have this diamond
Prices start from $3,260 AUDSave up to $3,549 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
$3,260 AUD