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Round|Natural|IGI

1.61ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 638474074

Shape and cutting style on the report: Round brilliant

Certificate IGI 638474074

Diamond specifications and retailer prices

From $1,372 SGD
As of November 5, 2026
Save $676 SGD (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,048 SGD at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 638474074. Listed at 9 retailers as of November 5, 2026, with prices from $1,372 to $2,048, a $676 spread on the same certified stone. Cape Diamonds lists it at $2,048. 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

1.61
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 638474074
Dimensions7.39 × 7.43 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.43 mm1.61 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 638474074
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41.4°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,048 SGD|Low: $1,372 SGD|High: $2,052 SGD|Avg: $1,734 SGD|+2.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$1,372 SGD
Retailer 4$1,554 SGD
Retailer 5$1,678 SGD
Retailer 6$1,678 SGD
Retailer 8$1,755 SGD
Retailer 7$1,820 SGD
Retailer 2$1,827 SGD
Retailer 9$1,850 SGD
Cape Diamonds$2,048 SGD

44 data points across 9 retailers

9 retailers$1,372 SGD to $2,048 SGD

A
Cheapest Retailer
-
$1,372 SGD
A
Retailer 2
-
$1,554 SGD
View
Retailer 3
-
$1,678 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$1,678 SGD
View
Price last confirmed 8 days ago
Retailer 5
-
$1,755 SGD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,820 SGD
View
A
Retailer 7
-
$1,827 SGD
View
B+
Retailer 8
-
$1,850 SGD
View
Most Expensive
B+
Cape Diamonds
cert_638474074 · Nov 5
$2,048 SGD
ZAR 25,906 ZAR
View
8 more retailers have this diamond
Prices start from $1,372 SGDSave up to $676 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
1.61ct Round
$1,372 SGD