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1.60ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 803629002

Shape and cutting style on the report: Round brilliant

Certificate IGI 803629002

Diamond specifications and retailer prices

From $2,314 USD
As of November 6, 2026
Save $3,042 USD (57%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,356 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803629002. Listed at 12 retailers as of November 5, 2026, with prices from $2,314 to $5,356, a $3,042 spread on the same certified stone. NZ Jewellers lists it at $5,356. 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
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.1°
OriginNatural
Grading LabIGI
CertificateIGI 803629002
Dimensions7.46 × 7.52 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.46 mm7.52 mm1.60 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629002
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
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 6
Current: $5,356 USD|Low: $2,305 USD|High: $5,662 USD|Avg: $3,157 USD|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 6, 2026
Retailer 13$2,314 USD
Retailer 11$2,501 USD
Retailer 12$2,562 USD
Retailer 4$2,641 USD
Retailer 6$2,665 USD
Retailer 9$2,680 USD
Retailer 3$2,697 USD
Retailer 7$2,913 USD
Retailer 10$3,185 USD
Retailer 5$3,222 USD
Retailer 2$3,332 USD
Retailer 8$4,476 USD
NZ Jewellers$5,356 USD

41 data points across 13 retailers

12 retailers$2,314 USD to $5,356 USD

A
Cheapest Retailer
-
$2,314 USD
A
Retailer 2
-
$2,501 USD
View
A
Retailer 3
-
$2,562 USD
View
Retailer 4
-
$2,641 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$2,665 USD
View
A
Retailer 6
-
$2,680 USD
View
A
Retailer 7
-
$2,697 USD
View
A
Retailer 8
-
$2,913 USD
View
B+
Retailer 9
-
$3,185 USD
View
A
Retailer 10
-
$3,332 USD
View
B+
Retailer 11
-
$4,476 USD
View
Most Expensive
B
NZ Jewellers
723c1512-1343-4772-9bcd-4106ee9d679e · Nov 5
$5,356 USD
View
11 more retailers have this diamond
Prices start from $2,314 USDSave up to $3,042 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
$2,314 USD