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1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 670479172

Shape and cutting style on the report: Round brilliant

Certificate IGI 670479172

Diamond specifications and retailer prices

From $3,064 SGD
$2,397 USD
As of October 30, 2026
Save $4,088 SGD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,153 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 IGI 670479172. Listed at 14 retailers as of October 30, 2026, with prices from $3,064 to $7,153, a $4,088 spread on the same certified stone. NZ Jewellers lists it at $7,153. 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 angle35.1°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 670479172
Dimensions6.62 × 6.59 × 4.15 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.62 mm6.59 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670479172
Side View
Table 56.0%Crown 35.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.8%

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: $3,213 SGD|Low: $2,631 SGD|High: $5,921 SGD|Avg: $3,880 SGD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 6$3,158 SGD
Retailer 1$3,213 SGD
Retailer 8$3,369 SGD
Retailer 7$3,553 SGD
Retailer 3$3,700 SGD
Retailer 5$4,012 SGD
Retailer 4$4,205 SGD
Retailer 2$5,851 SGD

41 data points across 8 retailers

14 retailers$3,064 SGD to $7,153 SGD

A
Cheapest Retailer
-
$3,064 SGD
$2,397 USD
A
Retailer 2
-
$3,158 SGD
$2,470 USD
View
Final sale: no returns
A
Retailer 3
-
$3,213 SGD
£1,979 GBP
View
B+
Retailer 4
-
$3,369 SGD
$2,635 USD
View
B+
Retailer 5
-
$3,421 SGD
$2,676 USD
View
B+
Retailer 6
-
$3,421 SGD
$2,676 USD
View
B+
Retailer 7
-
$3,553 SGD
$2,779 USD
View
B+
Retailer 8
-
$3,601 SGD
$2,817 USD
View
B+
Retailer 9
-
$3,700 SGD
£2,279 GBP
View
B+
Retailer 10
-
$3,948 SGD
$3,088 USD
View
B+
Retailer 11
-
$4,012 SGD
€2,989 EUR
View
B+
Retailer 12
-
$4,205 SGD
ZAR 53,139 ZAR
View
B
Retailer 13
-
$5,851 SGD
£3,604 GBP
View
Most Expensive
B
NZ Jewellers
a83b745a-ace1-4dc3-96ed-a9fd331a57d1 · Oct 30
$7,153 SGD
$5,595 USD
View
13 more retailers have this diamond
Prices start from $3,064 SGDSave up to $4,088 SGD

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
$3,064 SGD