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1.05ct F VS1 Round Natural Diamond

EX • F/VS1 • IGI 828654438

Shape and cutting style on the report: Round brilliant

Certificate IGI 828654438

Diamond specifications and retailer prices

From $3,959 SGD
As of October 31, 2026
Save $7,581 SGD (66%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $11,540 SGD at NZ Jewellers · As of November 7, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 828654438. Listed at 18 retailers as of October 31, 2026, with prices from $3,959 to $11,540, a $7,581 spread on the same certified stone. NZ Jewellers lists it at $11,540. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 828654438
Dimensions6.45 × 6.50 × 4.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.45 mm6.50 mm1.05 ctF / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 828654438
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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 31
Current: $11,540 SGD|Low: $3,959 SGD|High: $11,755 SGD|Avg: $5,435 SGD|+43.8%
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
November 7, 2026
Retailer 7$3,959 SGD
Retailer 15$3,967 SGD
Retailer 4$4,151 SGD
Retailer 10$4,265 SGD
Retailer 16$4,292 SGD
Retailer 18$4,409 SGD
Retailer 3$4,433 SGD
Retailer 9$4,623 SGD
Retailer 13$5,020 SGD
Retailer 5$5,102 SGD
Retailer 8$5,314 SGD
Retailer 6$5,660 SGD
Retailer 11$6,899 SGD
Retailer 14$7,028 SGD
Retailer 2$7,291 SGD
Retailer 17$7,674 SGD
Retailer 12$8,648 SGD
NZ Jewellers$11,540 SGD

13 data points across 18 retailers

18 retailers$3,959 SGD to $11,540 SGD

A
Cheapest Retailer
-
$3,959 SGD
A
Retailer 2
-
$3,967 SGD
View
A
Retailer 3
-
$4,151 SGD
View
A
Retailer 4
-
$4,265 SGD
View
A
Retailer 5
-
$4,292 SGD
View
Retailer 6
-
$4,409 SGD
View
Price last confirmed 6 days ago
A
Retailer 7
-
$4,433 SGD
View
Retailer 8
-
$4,623 SGD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$5,020 SGD
View
A
Retailer 10
-
$5,102 SGD
View
Retailer 11
-
$5,314 SGD
View
Price last confirmed 7 days ago
B+
Retailer 12
-
$5,660 SGD
View
B
Retailer 13
-
$6,899 SGD
View
B
Retailer 14
-
$7,028 SGD
View
B
Retailer 15
-
$7,291 SGD
View
B+
Retailer 16
-
$7,674 SGD
View
B
Retailer 17
-
$8,648 SGD
View
Most Expensive
B
NZ Jewellers
97867403-5a64-4ec2-ae01-69994cde6154 · Nov 7
$11,540 SGD
$9,004 USD
View
17 more retailers have this diamond
Prices start from $3,959 SGDSave up to $7,581 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
$3,959 SGD