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1.60ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 605313279

Shape and cutting style on the report: Round brilliant

Certificate IGI 605313279

Diamond specifications and retailer prices

From $2,656 SGD
As of November 5, 2026
Save $5,080 SGD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,735 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct 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 605313279. Listed at 13 retailers as of November 5, 2026, with prices from $2,656 to $7,735, a $5,080 spread on the same certified stone. NZ Jewellers lists it at $7,735. 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

1.60
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 605313279
Dimensions7.54 × 7.59 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.59 mm1.60 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 605313279
Side View
Table 59.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.2%

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: $4,029 SGD|Low: $2,656 SGD|High: $4,547 SGD|Avg: $3,664 SGD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$2,656 SGD
Retailer 6$3,232 SGD
Retailer 5$3,313 SGD
Retailer 7$3,621 SGD
Retailer 8$3,842 SGD
Retailer 1$4,029 SGD
Retailer 2$4,080 SGD
Retailer 3$4,515 SGD

39 data points across 8 retailers

13 retailers$2,656 SGD to $7,735 SGD

A
Cheapest Retailer
-
$2,656 SGD
B+
Retailer 2
-
$3,232 SGD
View
B+
Retailer 3
-
$3,313 SGD
View
B+
Retailer 4
-
$3,621 SGD
View
B+
Retailer 5
-
$3,700 SGD
View
Retailer 6
-
$3,700 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,842 SGD
View
B+
Retailer 8
-
$3,882 SGD
View
B+
Retailer 9
-
$4,029 SGD
View
B+
Retailer 10
-
$4,080 SGD
View
B+
Retailer 11
-
$4,270 SGD
View
B+
Retailer 12
-
$4,515 SGD
View
Most Expensive
C
NZ Jewellers
451adfca-eb78-428d-96f9-cd41586214a6 · Nov 5
$7,735 SGD
$6,056 USD
View
12 more retailers have this diamond
Prices start from $2,656 SGDSave up to $5,080 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
1.60ct Round
$2,656 SGD