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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1569260758

Certificate GIA 1569260758

Diamond specifications and retailer prices

From $3,122 SGD
As of November 6, 2026
Save $4,150 SGD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,272 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.05ct natural round diamond

This 1.05ct 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 1569260758. Listed at 22 retailers as of November 5, 2026, with prices from $3,122 to $7,272, a $4,150 spread on the same certified stone. NZ Jewellers lists it at $7,272. 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

1.05
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1569260758
Dimensions6.44 × 6.48 × 4.05 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Cloud
Top View
6.44 mm6.48 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1569260758
Side View
Table 57.0%Crown 35°Girdle: Slightly ThickPavilion 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 6
Current: $7,272 SGD|Low: $3,090 SGD|High: $7,272 SGD|Avg: $4,308 SGD
NZ Jewellers
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 6, 2026
Retailer 3$3,122 SGD
Retailer 11$3,278 SGD
Retailer 4$3,321 SGD
Retailer 10$3,386 SGD
Retailer 6$3,391 SGD
Retailer 8$3,490 SGD
Retailer 7$3,781 SGD
Retailer 9$3,781 SGD
Retailer 5$3,926 SGD
Retailer 2$3,994 SGD
Retailer 19$4,081 SGD
Retailer 13$4,266 SGD
Retailer 18$4,305 SGD
Retailer 20$4,305 SGD
Retailer 12$4,363 SGD
Retailer 21$4,440 SGD
Retailer 17$4,445 SGD
Retailer 14$4,841 SGD
Retailer 15$5,094 SGD
Retailer 16$6,961 SGD
NZ Jewellers$7,272 SGD

31 data points across 21 retailers

22 retailers$3,122 SGD to $7,272 SGD

A
Cheapest Retailer
-
$3,122 SGD
B+
Retailer 2
-
$3,278 SGD
View
B+
Retailer 3
-
$3,321 SGD
View
B+
Retailer 4
-
$3,386 SGD
View
B+
Retailer 5
-
$3,391 SGD
View
B+
Retailer 6
-
$3,391 SGD
View
B+
Retailer 7
-
$3,490 SGD
View
Final sale: no returns
B+
Retailer 8
-
$3,781 SGD
View
Retailer 9
-
$3,781 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$3,926 SGD
View
B+
Retailer 11
-
$3,994 SGD
View
B+
Retailer 12
-
$4,081 SGD
View
B+
Retailer 13
-
$4,266 SGD
View
B
Retailer 14
-
$4,305 SGD
View
B
Retailer 15
-
$4,305 SGD
View
B+
Retailer 16
-
$4,363 SGD
View
B+
Retailer 17
-
$4,440 SGD
View
B+
Retailer 18
-
$4,445 SGD
View
Retailer 19
-
$4,841 SGD
View
Price last confirmed 23 days ago
B
Retailer 20
-
$5,094 SGD
View
B
Retailer 21
-
$6,961 SGD
View
Most Expensive
B
NZ Jewellers
5559ed8d-e314-43eb-9985-a316c6eed3be · Nov 5
$7,272 SGD
$5,693 USD
View
21 more retailers have this diamond
Prices start from $3,122 SGDSave up to $4,150 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
1.05ct Round
$3,122 SGD