Round|Natural|IGI

1.02ct K SI1 Round Natural Diamond

EX • K/SI1 • IGI 623455487

Shape and cutting style on the report: Round brilliant

Certificate IGI 623455487

Diamond specifications and retailer prices

From $866 USD
As of November 6, 2026
Save $1,259 USD (59%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,838 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.02ct natural round diamond

This 1.02ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 623455487. Listed at 21 retailers as of November 4, 2026, with a 145% 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

1.02
Carat
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 623455487
Dimensions6.50 × 6.47 × 3.94 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.50 mm6.47 mm1.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 623455487
Side View
Table 59.0%Crown 31.6°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $866 USD|Low: $866 USD|High: $2,142 USD|Avg: $1,332 USD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$866 USD
Retailer 9$1,093 USD
Retailer 5$1,150 USD
Retailer 8$1,213 USD
Retailer 7$1,297 USD
Retailer 6$1,300 USD
Retailer 3$1,420 USD
Retailer 2$1,503 USD
Retailer 4$2,125 USD

43 data points across 9 retailers

21 retailers$866 USD to $2,125 USD

A
Cheapest Retailer
-
$866 USD
Retailer 2
-
$1,047 USD
View
Price last confirmed 13 days ago
Retailer 3
-
$1,060 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$1,093 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,093 USD
View
Price last confirmed 50 days ago
Retailer 6
-
$1,093 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$1,135 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$1,150 USD
View
Retailer 9
-
$1,213 USD
View
Price last confirmed 13 days ago
Retailer 10
-
$1,261 USD
View
Price last confirmed 14 days ago
Retailer 11
-
$1,261 USD
View
Price last confirmed 45 days ago
B+
Retailer 12
-
$1,297 USD
View
B+
Retailer 13
-
$1,300 USD
View
Retailer 14
-
$1,343 USD
View
Price last confirmed 10 days ago
B+
Retailer 15
-
$1,343 USD
View
B+
Retailer 16
-
$1,420 USD
View
A
Retailer 17
-
$1,503 USD
View
B
Retailer 18
-
$2,125 USD
View
Retailer 19
-
$2,665 USD
View
Price last confirmed 14 days ago
Retailer 20
-
$2,665 USD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
2863cce1-2ee1-434b-b7f9-9a7a1c7f525a · Oct 30
$2,838 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $866 USDSave up to $1,259 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
1.02ct Round
$866 USD