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Round|Natural|IGI

1.62ct N SI1 Round Natural Diamond

GD • N/SI1 • IGI 478197843

Shape and cutting style on the report: Round brilliant

Certificate IGI 478197843

Diamond specifications and retailer prices

From $3,947 SGD
As of November 5, 2026
Save $513 SGD (12%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,093 SGD at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 1.62ct natural round diamond

This 1.62ct natural round sits in the one-and-a-half to two carat band, graded N colour (tinted) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 478197843. Listed at 5 retailers as of November 5, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.62
Carat
N
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishGood
SymmetryGood
FluorescenceNone
Crown angle35.2°
Pavilion angle42.1°
OriginNatural
Grading LabIGI
CertificateIGI 478197843
Dimensions7.54 × 7.60 × 4.64 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
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Top View
7.54 mm7.60 mm1.62 ctN / SI1
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI 478197843
Side View
Table 63.5%Crown 35.2°Girdle: MediumPavilion 42.1°Culet: NoneDepth 61.4%

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 5
Current: $4,460 SGD|Low: $3,947 SGD|High: $4,485 SGD|Avg: $4,180 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 4$3,947 SGD
Retailer 2$4,071 SGD
Retailer 3$4,253 SGD
Retailer 1$4,460 SGD

19 data points across 4 retailers

5 retailers$3,947 SGD to $4,460 SGD

B+
Cheapest Retailer
-
$3,947 SGD
Retailer 2
-
$4,071 SGD
View
Price last confirmed 56 days ago
B
Retailer 3
-
$4,460 SGD
View
Retailer 4
-
$4,698 SGD
View
Price last confirmed 60 days ago
Most Expensive
NZ Jewellers
3dad0f44-7818-4b44-b44d-262a73fe903e · Sep 1
$7,093 SGD
$5,553 USD
View
Price last confirmed 65 days ago
4 more retailers have this diamond
Prices start from $3,947 SGDSave up to $513 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+
1.62ct Round
$3,947 SGD