Round|Natural|IGI

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 $2,258 USD
As of November 5, 2026
Save $3,915 USD (63%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,173 USD 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 $2,258 to $6,173, a $3,915 spread on the same certified stone. NZ Jewellers lists it at $6,173. 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 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: $6,173 USD|Low: $1,880 USD|High: $6,173 USD|Avg: $2,903 USD|+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$2,258 USD
Retailer 5$2,535 USD
Retailer 4$2,726 USD
Retailer 7$2,775 USD
Retailer 12$2,885 USD
Retailer 3$2,953 USD
Retailer 9$2,953 USD
Retailer 10$3,066 USD
Retailer 6$3,236 USD
Retailer 11$3,407 USD
Retailer 8$3,629 USD
NZ Jewellers$6,173 USD

45 data points across 12 retailers

12 retailers$2,258 USD to $6,173 USD

B+
Cheapest Retailer
-
$2,258 USD
B+
Retailer 2
-
$2,535 USD
View
B+
Retailer 3
-
$2,726 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,775 USD
View
B+
Retailer 5
-
$2,885 USD
View
Retailer 6
-
$2,953 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$2,953 USD
View
B+
Retailer 8
-
$3,066 USD
View
B+
Retailer 9
-
$3,236 USD
View
B+
Retailer 10
-
$3,407 USD
View
B
Retailer 11
-
$3,629 USD
View
Most Expensive
C
NZ Jewellers
eed966cc-2b24-43f8-8c3a-e872733a0a84 · Nov 2
$6,173 USD
View
11 more retailers have this diamond
Prices start from $2,258 USDSave up to $3,915 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.

B+
1.60ct Round
$2,258 USD