CaratHunter
Plans
Round|Natural|IGI

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 $2,079 USD
As of November 5, 2026
Save $3,977 USD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,056 USD 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 $2,079 to $6,056, a $3,977 spread on the same certified stone. NZ Jewellers lists it at $6,056. 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $3,154 USD|Low: $2,079 USD|High: $3,560 USD|Avg: $2,869 USD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 4$2,079 USD
Retailer 6$2,530 USD
Retailer 5$2,594 USD
Retailer 7$2,835 USD
Retailer 8$3,008 USD
Retailer 1$3,154 USD
Retailer 2$3,194 USD
Retailer 3$3,535 USD

39 data points across 8 retailers

13 retailers$2,079 USD to $6,056 USD

A
Cheapest Retailer
-
$2,079 USD
B+
Retailer 2
-
$2,530 USD
View
B+
Retailer 3
-
$2,594 USD
View
B+
Retailer 4
-
$2,835 USD
View
B+
Retailer 5
-
$2,897 USD
View
Retailer 6
-
$2,897 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$3,008 USD
View
B+
Retailer 8
-
$3,039 USD
View
B+
Retailer 9
-
$3,154 USD
View
B+
Retailer 10
-
$3,194 USD
View
B+
Retailer 11
-
$3,343 USD
View
B+
Retailer 12
-
$3,535 USD
View
Most Expensive
C
NZ Jewellers
451adfca-eb78-428d-96f9-cd41586214a6 · Nov 5
$6,056 USD
View
12 more retailers have this diamond
Prices start from $2,079 USDSave up to $3,977 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
1.60ct Round
$2,079 USD