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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555970685

Certificate GIA 6555970685

Diamond specifications and retailer prices

From $2,477 AUD
SGD 2,351 SGD
As of October 31, 2026
Save $2,344 AUD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,821 AUD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 6555970685. Listed at 12 retailers as of October 26, 2026, with prices from $2,477 to $4,821, a $2,344 spread on the same certified stone. Wholesale Diamonds Direct lists it at $4,821. 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 angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6555970685
Dimensions6.65 × 6.70 × 4.15 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.65 mm6.70 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555970685
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.2%

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: $3,706 AUD|Low: $2,477 AUD|High: $5,136 AUD|Avg: $3,594 AUD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 30, 2026
Retailer 10$2,477 AUD
Retailer 8$2,881 AUD
Retailer 7$2,911 AUD
Retailer 6$2,936 AUD
Retailer 3$3,197 AUD
Retailer 4$3,220 AUD
Retailer 11$3,485 AUD
Retailer 2$3,703 AUD
Retailer 1$3,706 AUD
Retailer 5$4,155 AUD
Retailer 9$4,476 AUD
Wholesale Diamonds Direct$4,821 AUD

38 data points across 12 retailers

12 retailers$2,477 AUD to $4,821 AUD

A
Cheapest Retailer
-
$2,477 AUD
SGD 2,351 SGD
A
Retailer 2
-
$2,881 AUD
$2,024 USD
View
A
Retailer 3
-
$2,911 AUD
$2,045 USD
View
A
Retailer 4
-
$2,936 AUD
$2,063 USD
View
A
Retailer 5
-
$3,197 AUD
SGD 3,035 SGD
View
A
Retailer 6
-
$3,220 AUD
£1,781 GBP
View
A
Retailer 7
-
$3,485 AUD
$2,448 USD
View
A
Retailer 8
-
$3,703 AUD
$2,601 USD
View
A
Retailer 9
-
$3,706 AUD
£2,050 GBP
View
B+
Retailer 10
-
$4,155 AUD
€2,780 EUR
View
B+
Retailer 11
-
$4,476 AUD
$3,144 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
545945732 · Oct 26
$4,821 AUD
$3,386 USD
View
11 more retailers have this diamond
Prices start from $2,477 AUDSave up to $2,344 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
$2,477 AUD