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Round|Natural|GIA

1.05ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7496000425

Certificate GIA 7496000425

Diamond specifications and retailer prices

From $2,452 SGD
As of November 6, 2026
Save $4,448 SGD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $6,900 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 7496000425. Listed at 18 retailers as of November 5, 2026, with prices from $2,452 to $6,900, a $4,448 spread on the same certified stone. NZ Jewellers lists it at $6,900. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7496000425
Dimensions6.61 × 6.57 × 3.94 mm
L/W Ratio1.01
Star length45%
Lower girdle75%
Culet sizeNone
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural, Needle
Top View
6.61 mm6.57 mm1.05 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 7496000425
Side View
Table 59.0%Crown 32.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 59.7%

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: $3,157 SGD|Low: $2,452 SGD|High: $5,853 SGD|Avg: $3,505 SGD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7$2,452 SGD
Retailer 10$2,514 SGD
Retailer 8$2,701 SGD
Retailer 2$2,989 SGD
Retailer 1$3,157 SGD
Retailer 3$3,472 SGD
Retailer 9$3,698 SGD
Retailer 6$3,704 SGD
Retailer 4$4,029 SGD
Retailer 5$5,766 SGD

38 data points across 10 retailers

18 retailers$2,452 SGD to $6,900 SGD

A
Cheapest Retailer
-
$2,452 SGD
A
Retailer 2
-
$2,514 SGD
View
Final sale: no returns
A
Retailer 3
-
$2,701 SGD
View
A
Retailer 4
-
$2,989 SGD
View
A
Retailer 5
-
$2,990 SGD
View
Retailer 6
-
$2,990 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,128 SGD
View
A
Retailer 8
-
$3,157 SGD
View
B+
Retailer 9
-
$3,449 SGD
View
B+
Retailer 10
-
$3,449 SGD
View
B+
Retailer 11
-
$3,450 SGD
View
B+
Retailer 12
-
$3,472 SGD
View
B+
Retailer 13
-
$3,564 SGD
View
Retailer 14
-
$3,698 SGD
View
Price last confirmed 30 days ago
B+
Retailer 15
-
$3,704 SGD
View
B+
Retailer 16
-
$4,029 SGD
View
B
Retailer 17
-
$5,766 SGD
View
Most Expensive
B
NZ Jewellers
aacb2e51-d5c4-41d4-a85f-c2cbc8c4d6c6 · Nov 5
$6,900 SGD
$5,402 USD
View
17 more retailers have this diamond
Prices start from $2,452 SGDSave up to $4,448 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
$2,452 SGD