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1.60ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 782676621

Shape and cutting style on the report: Round brilliant

Certificate IGI 782676621

Diamond specifications and retailer prices

From $3,226 AUD
As of November 5, 2026
Save $5,593 AUD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $8,818 AUD at NZ Jewellers · As of November 2, 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 782676621. Listed at 12 retailers as of November 2, 2026, with prices from $3,226 to $8,818, a $5,593 spread on the same certified stone. NZ Jewellers lists it at $8,818. 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 angle36.1°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 782676621
Dimensions7.40 × 7.45 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.40 mm7.45 mm1.60 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 782676621
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $8,818 AUD|Low: $2,686 AUD|High: $8,818 AUD|Avg: $4,147 AUD|+15.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 2$3,226 AUD
Retailer 5$3,621 AUD
Retailer 4$3,894 AUD
Retailer 7$3,964 AUD
Retailer 12$4,121 AUD
Retailer 3$4,218 AUD
Retailer 9$4,218 AUD
Retailer 10$4,380 AUD
Retailer 6$4,623 AUD
Retailer 11$4,867 AUD
Retailer 8$5,184 AUD
NZ Jewellers$8,818 AUD

45 data points across 12 retailers

12 retailers$3,226 AUD to $8,818 AUD

B+
Cheapest Retailer
-
$3,226 AUD
B+
Retailer 2
-
$3,621 AUD
View
B+
Retailer 3
-
$3,894 AUD
View
Final sale: no returns
B+
Retailer 4
-
$3,964 AUD
View
B+
Retailer 5
-
$4,121 AUD
View
Retailer 6
-
$4,218 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,218 AUD
View
B+
Retailer 8
-
$4,380 AUD
View
B+
Retailer 9
-
$4,623 AUD
View
B+
Retailer 10
-
$4,867 AUD
View
B
Retailer 11
-
$5,184 AUD
View
Most Expensive
C
NZ Jewellers
eed966cc-2b24-43f8-8c3a-e872733a0a84 · Nov 2
$8,818 AUD
$6,173 USD
View
11 more retailers have this diamond
Prices start from $3,226 AUDSave up to $5,593 AUD

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+
1.60ct Round
$3,226 AUD