Round|Natural|IGI

1.61ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 683598378

Shape and cutting style on the report: Round brilliant

Certificate IGI 683598378

Diamond specifications and retailer prices

From $1,767 USD
As of November 5, 2026
Save $888 USD (33%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,771 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

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 683598378. Listed at 10 retailers as of November 5, 2026, with a 50% 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

1.61
Carat
L
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.4°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 683598378
Dimensions7.42 × 7.38 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
7.42 mm7.38 mm1.61 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 683598378
Side View
Table 60.0%Crown 36.4°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $2,130 USD|Low: $1,767 USD|High: $2,678 USD|Avg: $2,132 USD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 4$1,767 USD
Retailer 7$1,956 USD
Retailer 5$1,965 USD
Retailer 6$1,995 USD
Retailer 1$2,130 USD
Retailer 2$2,387 USD
Retailer 3$2,655 USD

41 data points across 7 retailers

10 retailers$1,767 USD to $2,655 USD

A
Cheapest Retailer
-
$1,767 USD
Retailer 2
-
$1,956 USD
View
Price last confirmed 29 days ago
A
Retailer 3
-
$1,965 USD
View
A
Retailer 4
-
$1,995 USD
View
Retailer 5
-
$2,046 USD
View
Price last confirmed 38 days ago
A
Retailer 6
-
$2,130 USD
View
Retailer 7
-
$2,257 USD
View
Price last confirmed 38 days ago
A
Retailer 8
-
$2,387 USD
View
A
Retailer 9
-
$2,655 USD
View
Most Expensive
NZ Jewellers
2a826691-9d40-449a-9acf-d4833ddfd072 · Sep 28
$4,771 USD
View
Price last confirmed 39 days ago
9 more retailers have this diamond
Prices start from $1,767 USDSave up to $888 USD

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
$1,767 USD