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Round|Natural|IGI

1.60ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 610311196

Shape and cutting style on the report: Round brilliant

Certificate IGI 610311196

Diamond specifications and retailer prices

From $1,438 AUD
As of November 5, 2026
Save $509 AUD (26%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $4,280 AUD at NZ Jewellers · As of September 19, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 610311196. Listed at 6 retailers as of November 5, 2026, with a 35% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.3°
OriginNatural
Grading LabIGI
CertificateIGI 610311196
Dimensions7.39 × 7.42 × 4.69 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.39 mm7.42 mm1.60 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 610311196
Side View
Table 58.0%Crown 36.3°Girdle: MediumPavilion 41.3°Culet: NoneDepth 63.4%

Caratlytics Score

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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: $1,438 AUD|Low: $1,438 AUD|High: $2,238 AUD|Avg: $1,883 AUD|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 1$1,438 AUD
Retailer 2$1,681 AUD
Retailer 5$1,754 AUD
Retailer 6$1,917 AUD
Retailer 4$1,947 AUD
Retailer 7$2,214 AUD
Retailer 3$2,238 AUD

42 data points across 7 retailers

6 retailers$1,438 AUD to $1,947 AUD

A
Cheapest Retailer
-
$1,438 AUD
A
Retailer 2
-
$1,681 AUD
View
Retailer 3
-
$1,754 AUD
View
Price last confirmed 44 days ago
B+
Retailer 4
-
$1,947 AUD
View
Retailer 5
-
$2,024 AUD
View
Price last confirmed 45 days ago
Most Expensive
NZ Jewellers
1acee654-5925-4f46-a741-cdace4d675c8 · Sep 19
$4,280 AUD
$2,996 USD
View
Price last confirmed 47 days ago
5 more retailers have this diamond
Prices start from $1,438 AUDSave up to $509 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.

A
1.60ct Round
$1,438 AUD