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Round|Natural|GIA

1.05ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 2476046600

Certificate GIA 2476046600

Diamond specifications and retailer prices

From $4,242 SGD
As of November 6, 2026
Save $4,947 SGD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,617 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.05ct natural round diamond

This 1.05ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2476046600. Listed at 15 retailers as of November 5, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2476046600
Dimensions6.48 × 6.50 × 4.06 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.48 mm6.50 mm1.05 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2476046600
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $5,278 SGD|Low: $3,676 SGD|High: $8,926 SGD|Avg: $5,749 SGD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$4,411 SGD
Retailer 8$4,579 SGD
Retailer 7$4,962 SGD
Retailer 1$5,278 SGD
Retailer 6$5,655 SGD
Retailer 3$5,931 SGD
Retailer 2$6,438 SGD
Retailer 4$8,797 SGD

45 data points across 8 retailers

15 retailers$4,242 SGD to $9,189 SGD

B+
Cheapest Retailer
-
$4,242 SGD
B+
Retailer 2
-
$4,411 SGD
View
Final sale: no returns
B+
Retailer 3
-
$4,579 SGD
View
B+
Retailer 4
-
$4,778 SGD
View
Retailer 5
-
$4,778 SGD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$4,962 SGD
View
B
Retailer 7
-
$5,278 SGD
View
B
Retailer 8
-
$5,513 SGD
View
Retailer 9
-
$5,655 SGD
View
Price last confirmed 33 days ago
B
Retailer 10
-
$5,931 SGD
View
Retailer 11
-
$5,968 SGD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$6,438 SGD
View
B
Retailer 13
-
$8,797 SGD
View
B
Retailer 14
-
$9,189 SGD
View
Most Expensive
Diamond Quarter
1.05SI1H2400563AN · Nov 5
$12,617 SGD
£7,778 GBP
View
Price under review
14 more retailers have this diamond
Prices start from $4,242 SGDSave up to $4,947 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.

B+
1.05ct Round
$4,242 SGD