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Round|Natural|GIA

1.11ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1555544751

Certificate GIA 1555544751

Diamond specifications and retailer prices

From $2,829 SGD
$2,213 USD
As of November 1, 2026
Save $3,350 SGD (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,179 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.11ct natural round diamond

This 1.11ct 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 1555544751. Listed at 14 retailers as of November 1, 2026, with prices from $2,829 to $6,179, a $3,350 spread on the same certified stone. MOH London lists it at $6,179. 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

1.11
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555544751
Dimensions6.57 × 4.13 × 4.13 mm
L/W Ratio1.59
Culet sizeNone
Top View
6.57 mm4.13 mm1.11 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555544751
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 1
Current: $6,179 SGD|Low: $2,365 SGD|High: $6,212 SGD|Avg: $3,584 SGD|-0.5%
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
November 2, 2026
Retailer 5$2,365 SGD
Retailer 15$2,829 SGD
Retailer 12$2,913 SGD
Retailer 7$3,083 SGD
Retailer 2$3,393 SGD
Retailer 6$3,529 SGD
Retailer 4$3,554 SGD
Retailer 3$3,580 SGD
Retailer 13$3,623 SGD
Retailer 14$3,695 SGD
Retailer 16$3,695 SGD
Retailer 10$3,784 SGD
Retailer 17$3,822 SGD
Retailer 11$4,160 SGD
Retailer 9$4,318 SGD
Retailer 8$4,634 SGD
MOH London$6,179 SGD

19 data points across 17 retailers

14 retailers$2,829 SGD to $6,179 SGD

A
Cheapest Retailer
-
$2,829 SGD
$2,213 USD
A
Retailer 2
-
$2,851 SGD
$2,230 USD
View
A
Retailer 3
-
$2,913 SGD
$2,279 USD
View
A
Retailer 4
-
$2,999 SGD
A$3,609 AUD
View
A
Retailer 5
-
$3,393 SGD
£2,090 GBP
View
B+
Retailer 6
-
$3,399 SGD
$2,659 USD
View
B+
Retailer 7
-
$3,623 SGD
$2,834 USD
View
B+
Retailer 8
-
$3,695 SGD
$2,890 USD
View
B+
Retailer 9
-
$3,695 SGD
$2,890 USD
View
B+
Retailer 10
-
$3,784 SGD
£2,330 GBP
View
B+
Retailer 11
-
$3,822 SGD
$2,990 USD
View
B+
Retailer 12
-
$4,160 SGD
€3,099 EUR
View
Retailer 13
-
$4,634 SGD
$3,625 USD
View
Price last confirmed 34 days ago
Most Expensive
B
MOH London
1D3C78D68 · Nov 1
$6,179 SGD
£3,806 GBP
View
13 more retailers have this diamond
Prices start from $2,829 SGDSave up to $3,350 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
1.11ct Round
$2,829 SGD