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Round|Natural|GIA

1.13ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 3555581539

Certificate GIA 3555581539

Diamond specifications and retailer prices

From $3,702 NZD
HK$16,300 HKD
As of October 30, 2026
Save $5,003 NZD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,705 NZD at MOH London · As of October 26, 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 3555581539. Listed at 16 retailers as of October 26, 2026, with prices from $3,702 to $8,705, a $5,003 spread on the same certified stone. MOH London lists it at $8,705. 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°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 3555581539
Dimensions6.65 × 6.61 × 4.11 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.65 mm6.61 mm1.13 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555581539
Side View
Table 58.0%Crown 35°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.0%

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: $8,705 NZD|Low: $3,702 NZD|High: $8,966 NZD|Avg: $5,189 NZD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 30, 2026
Retailer 4$3,702 NZD
Retailer 9$3,973 NZD
Retailer 5$3,978 NZD
Retailer 14$4,148 NZD
Retailer 2$4,280 NZD
Retailer 15$4,360 NZD
Retailer 13$4,453 NZD
Retailer 3$4,489 NZD
Retailer 7$4,633 NZD
Retailer 10$4,807 NZD
Retailer 8$4,888 NZD
Retailer 11$5,098 NZD
Retailer 17$5,693 NZD
Retailer 12$6,041 NZD
Retailer 6$7,239 NZD
Retailer 16$7,486 NZD
MOH London$8,705 NZD

21 data points across 17 retailers

16 retailers$3,702 NZD to $8,705 NZD

A
Cheapest Retailer
-
$3,702 NZD
HK$16,300 HKD
A
Retailer 2
-
$3,978 NZD
$2,242 USD
View
A
Retailer 3
-
$4,148 NZD
$2,338 USD
View
Final sale: no returns
Retailer 4
-
$4,280 NZD
€2,297 EUR
View
Price last confirmed 3 days ago
A
Retailer 5
-
$4,360 NZD
$2,457 USD
View
A
Retailer 6
-
$4,366 NZD
A$3,786 AUD
View
A
Retailer 7
-
$4,453 NZD
$2,510 USD
View
A
Retailer 8
-
$4,489 NZD
$2,530 USD
View
A
Retailer 9
-
$4,633 NZD
$2,611 USD
View
A
Retailer 10
-
$4,807 NZD
£2,133 GBP
View
B+
Retailer 11
-
$4,888 NZD
A$4,238 AUD
View
B+
Retailer 12
-
$5,098 NZD
$2,873 USD
View
B+
Retailer 13
-
$6,041 NZD
ZAR 55,006 ZAR
View
B
Retailer 14
-
$7,239 NZD
$4,080 USD
View
B
Retailer 15
-
$7,486 NZD
$4,219 USD
View
Most Expensive
B
MOH London
4314482EF · Oct 26
$8,705 NZD
£3,863 GBP
View
15 more retailers have this diamond
Prices start from $3,702 NZDSave up to $5,003 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
$3,702 NZD