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Round|Natural|IGI

1.06ct K VS1 Round Natural Diamond

EX • K/VS1 • IGI 805671580

Shape and cutting style on the report: Round brilliant

Certificate IGI 805671580

Diamond specifications and retailer prices

From $2,243 SGD
As of November 4, 2026
Save $287 SGD (11%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,615 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.06ct natural round diamond

This 1.06ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 805671580. Listed at 8 retailers as of October 31, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
K
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 805671580
Dimensions6.48 × 6.51 × 4.10 mm
L/W Ratio1.00
Girdle conditionFaceted
Top View
6.48 mm6.51 mm1.06 ctK / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 805671580
Side View
Table 56.0%Crown 35.5°Girdle: THN-MEDPavilion 41.3°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $5,615 SGD|Low: $2,152 SGD|High: $5,615 SGD|Avg: $3,110 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3$2,160 SGD
Retailer 6$2,243 SGD
Retailer 7$2,302 SGD
Retailer 2$2,306 SGD
Retailer 5$2,409 SGD
Retailer 9$2,530 SGD
Retailer 8$3,068 SGD
Retailer 10$3,719 SGD
Retailer 4$4,055 SGD
NZ Jewellers$5,615 SGD

24 data points across 10 retailers

8 retailers$2,243 SGD to $2,530 SGD

Retailer 1
-
$2,160 SGD
Price last confirmed 7 days ago
A
Retailer 2
-
$2,243 SGD
View
Retailer 3
-
$2,302 SGD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$2,306 SGD
View
Retailer 5
-
$2,409 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,530 SGD
View
Retailer 7
-
$4,055 SGD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
06fc0f63-6fa9-4574-b694-7ba2ef951c8a · Oct 30
$5,615 SGD
$4,396 USD
View
Price last confirmed 7 days ago
7 more retailers have this diamond
Prices start from $2,243 SGDSave up to $287 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
1.06ct Round
$2,243 SGD