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1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6555970685

Certificate GIA 6555970685

Diamond specifications and retailer prices

From $3,087 NZD
SGD 2,351 SGD
As of October 31, 2026
Save $2,921 NZD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,008 NZD 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 $3,087 to $6,008, a $2,921 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,008. 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: $4,619 NZD|Low: $3,087 NZD|High: $6,401 NZD|Avg: $4,479 NZD|-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$3,087 NZD
Retailer 8$3,591 NZD
Retailer 7$3,628 NZD
Retailer 6$3,660 NZD
Retailer 3$3,985 NZD
Retailer 4$4,013 NZD
Retailer 11$4,343 NZD
Retailer 2$4,615 NZD
Retailer 1$4,619 NZD
Retailer 5$5,179 NZD
Retailer 9$5,578 NZD
Wholesale Diamonds Direct$6,008 NZD

38 data points across 12 retailers

12 retailers$3,087 NZD to $6,008 NZD

A
Cheapest Retailer
-
$3,087 NZD
SGD 2,351 SGD
A
Retailer 2
-
$3,591 NZD
$2,024 USD
View
A
Retailer 3
-
$3,628 NZD
$2,045 USD
View
A
Retailer 4
-
$3,660 NZD
$2,063 USD
View
A
Retailer 5
-
$3,985 NZD
SGD 3,035 SGD
View
A
Retailer 6
-
$4,013 NZD
£1,781 GBP
View
A
Retailer 7
-
$4,343 NZD
$2,448 USD
View
A
Retailer 8
-
$4,615 NZD
$2,601 USD
View
A
Retailer 9
-
$4,619 NZD
£2,050 GBP
View
B+
Retailer 10
-
$5,179 NZD
€2,780 EUR
View
B+
Retailer 11
-
$5,578 NZD
$3,144 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
545945732 · Oct 26
$6,008 NZD
$3,386 USD
View
11 more retailers have this diamond
Prices start from $3,087 NZDSave up to $2,921 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.

A
1.13ct Round
$3,087 NZD