Round|Natural|IGI

0.80ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 649446157

Shape and cutting style on the report: Round brilliant

Certificate IGI 649446157

Diamond specifications and retailer prices

From $650 USD
As of November 4, 2026
Save $1,409 USD (68%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,059 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 649446157. Listed at 12 retailers as of November 4, 2026, with prices from $650 to $2,059, a $1,409 spread on the same certified stone. NZ Jewellers lists it at $2,059. 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

0.80
Carat
K
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginNatural
Grading LabIGI
CertificateIGI 649446157
Dimensions6.00 × 5.92 × 3.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.00 mm5.92 mm0.80 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 649446157
Side View
Table 52.0%Crown 33.8°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 61.9%

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 4
Current: $806 USD|Low: $445 USD|High: $1,534 USD|Avg: $817 USD|+2.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$445 USD
Retailer 5$650 USD
Retailer 7$657 USD
Retailer 11$657 USD
Retailer 2$781 USD
Retailer 8$781 USD
Retailer 9$788 USD
Retailer 1$806 USD
Retailer 10$946 USD
Retailer 4$957 USD
Retailer 6$1,516 USD

26 data points across 11 retailers

12 retailers$650 USD to $2,059 USD

A
Cheapest Retailer
-
$650 USD
Retailer 2
-
$657 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$657 USD
View
A
Retailer 4
-
$682 USD
View
Retailer 5
-
$758 USD
View
Price last confirmed 63 days ago
B+
Retailer 6
-
$758 USD
View
B+
Retailer 7
-
$788 USD
View
B+
Retailer 8
-
$806 USD
View
A
Retailer 9
-
$957 USD
View
B
Retailer 10
-
$1,516 USD
View
Retailer 11
-
$2,059 USD
View
Price last confirmed 66 days ago
Most Expensive
C
NZ Jewellers
e76053a5-2c84-40f9-9ec6-cd56a3e729e2 · Nov 5
$2,059 USD
View
11 more retailers have this diamond
Prices start from $650 USDSave up to $1,409 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
0.80ct Round
$650 USD