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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 $2,667 SGD
HK$16,300 HKD
As of October 30, 2026
Save $3,605 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,272 SGD 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 $2,667 to $6,272, a $3,605 spread on the same certified stone. MOH London lists it at $6,272. 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: $6,272 SGD|Low: $2,667 SGD|High: $6,460 SGD|Avg: $3,738 SGD|-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$2,667 SGD
Retailer 9$2,862 SGD
Retailer 5$2,866 SGD
Retailer 14$2,989 SGD
Retailer 2$3,084 SGD
Retailer 15$3,141 SGD
Retailer 13$3,209 SGD
Retailer 3$3,234 SGD
Retailer 7$3,338 SGD
Retailer 10$3,463 SGD
Retailer 8$3,522 SGD
Retailer 11$3,673 SGD
Retailer 17$4,102 SGD
Retailer 12$4,353 SGD
Retailer 6$5,216 SGD
Retailer 16$5,394 SGD
MOH London$6,272 SGD

21 data points across 17 retailers

16 retailers$2,667 SGD to $6,272 SGD

A
Cheapest Retailer
-
$2,667 SGD
HK$16,300 HKD
A
Retailer 2
-
$2,866 SGD
$2,242 USD
View
A
Retailer 3
-
$2,989 SGD
$2,338 USD
View
Final sale: no returns
A
Retailer 4
-
$3,084 SGD
€2,297 EUR
View
A
Retailer 5
-
$3,141 SGD
$2,457 USD
View
A
Retailer 6
-
$3,146 SGD
A$3,786 AUD
View
A
Retailer 7
-
$3,209 SGD
$2,510 USD
View
A
Retailer 8
-
$3,234 SGD
$2,530 USD
View
A
Retailer 9
-
$3,338 SGD
$2,611 USD
View
A
Retailer 10
-
$3,463 SGD
£2,133 GBP
View
B+
Retailer 11
-
$3,522 SGD
A$4,238 AUD
View
B+
Retailer 12
-
$3,673 SGD
$2,873 USD
View
B+
Retailer 13
-
$4,353 SGD
ZAR 55,006 ZAR
View
B
Retailer 14
-
$5,216 SGD
$4,080 USD
View
B
Retailer 15
-
$5,394 SGD
$4,219 USD
View
Most Expensive
B
MOH London
4314482EF · Oct 26
$6,272 SGD
£3,863 GBP
View
15 more retailers have this diamond
Prices start from $2,667 SGDSave up to $3,605 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
$2,667 SGD