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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1488835624

Certificate GIA 1488835624

Diamond specifications and retailer prices

From $4,063 NZD
$2,290 USD
As of November 2, 2026
Save $4,423 NZD (52%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,486 NZD 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 November 1, 2026, with prices from $4,063 to $8,486, a $4,423 spread on the same certified stone. MOH London lists it at $8,486. 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: Nov 2
Current: $8,486 NZD|Low: $3,694 NZD|High: $8,531 NZD|Avg: $5,089 NZD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$4,063 NZD
Retailer 9$4,072 NZD
Retailer 6$4,157 NZD
Retailer 2$4,883 NZD
Retailer 5$5,213 NZD
Retailer 8$5,305 NZD
Retailer 3$5,445 NZD
Retailer 4$5,988 NZD
MOH London$8,486 NZD

23 data points across 9 retailers

12 retailers$4,063 NZD to $8,486 NZD

A
Cheapest Retailer
-
$4,063 NZD
$2,290 USD
Final sale: no returns
A
Retailer 2
-
$4,072 NZD
$2,295 USD
View
A
Retailer 3
-
$4,157 NZD
$2,343 USD
View
A
Retailer 4
-
$4,309 NZD
A$3,736 AUD
View
B+
Retailer 5
-
$4,883 NZD
£2,167 GBP
View
B+
Retailer 6
-
$5,213 NZD
$2,938 USD
View
B+
Retailer 7
-
$5,305 NZD
$2,990 USD
View
B+
Retailer 8
-
$5,305 NZD
$2,990 USD
View
B+
Retailer 9
-
$5,445 NZD
£2,417 GBP
View
B+
Retailer 10
-
$5,483 NZD
$3,090 USD
View
B+
Retailer 11
-
$5,988 NZD
€3,214 EUR
View
Most Expensive
B
MOH London
C27379919 · Nov 1
$8,486 NZD
£3,766 GBP
View
11 more retailers have this diamond
Prices start from $4,063 NZDSave up to $4,423 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
$4,063 NZD