Round|Natural|IGI

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 768663756

Shape and cutting style on the report: Round brilliant

Certificate IGI 768663756

Diamond specifications and retailer prices

From $2,059 USD
As of October 30, 2026
Save $2,706 USD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,765 USD 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 768663756. Listed at 14 retailers as of October 30, 2026, with prices from $2,059 to $4,765, a $2,706 spread on the same certified stone. NZ Jewellers lists it at $4,765. 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
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 768663756
Dimensions6.62 × 6.66 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.62 mm6.66 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 768663756
Side View
Table 57.0%Crown 36.3°Girdle: MediumPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,765 USD|Low: $1,973 USD|High: $4,875 USD|Avg: $2,744 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 3$2,059 USD
Retailer 10$2,104 USD
Retailer 9$2,116 USD
Retailer 8$2,279 USD
Retailer 11$2,279 USD
Retailer 7$2,285 USD
Retailer 4$2,530 USD
Retailer 5$2,801 USD
Retailer 6$2,847 USD
Retailer 2$3,993 USD
NZ Jewellers$4,765 USD

36 data points across 11 retailers

14 retailers$2,059 USD to $4,765 USD

A
Cheapest Retailer
-
$2,059 USD
A
Retailer 2
-
$2,104 USD
View
Final sale: no returns
A
Retailer 3
-
$2,116 USD
View
Retailer 4
-
$2,279 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$2,279 USD
View
A
Retailer 6
-
$2,279 USD
View
A
Retailer 7
-
$2,285 USD
View
A
Retailer 8
-
$2,530 USD
£1,992 GBP
View
Retailer 9
-
$2,630 USD
View
Price last confirmed 40 days ago
B+
Retailer 10
-
$2,801 USD
ZAR 45,255 ZAR
View
B+
Retailer 11
-
$2,847 USD
€2,711 EUR
View
B
Retailer 12
-
$3,993 USD
£3,144 GBP
View
Retailer 13
-
$4,765 USD
View
Price last confirmed 40 days ago
Most Expensive
B
NZ Jewellers
a66f8384-c9f6-4b66-9a09-1ff9de913ce6 · Oct 30
$4,765 USD
View
13 more retailers have this diamond
Prices start from $2,059 USDSave up to $2,706 USD

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
$2,059 USD