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Round|Natural|IGI

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • IGI 803628993

Shape and cutting style on the report: Round brilliant

Certificate IGI 803628993

Diamond specifications and retailer prices

From $2,262 NZD
As of November 6, 2026
Save $3,783 NZD (63%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,227 NZD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803628993. Listed at 19 retailers as of November 5, 2026, with a 167% 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 803628993
Dimensions6.67 × 6.72 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.67 mm6.72 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803628993
Side View
Table 58.0%Crown 36.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.6%

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: $2,262 NZD|Low: $2,233 NZD|High: $4,732 NZD|Avg: $2,980 NZD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 1$2,262 NZD
Retailer 2$2,369 NZD
Retailer 8$2,553 NZD
Retailer 7$2,583 NZD
Retailer 6$2,614 NZD
Retailer 3$2,684 NZD
Retailer 9$3,038 NZD
Retailer 5$3,438 NZD
Retailer 4$4,526 NZD

44 data points across 9 retailers

19 retailers$2,262 NZD to $6,045 NZD

A
Cheapest Retailer
-
$2,262 NZD
A
Retailer 2
-
$2,369 NZD
View
Retailer 3
-
$2,553 NZD
View
Price last confirmed 8 days ago
Retailer 4
-
$2,553 NZD
View
Price last confirmed 15 days ago
Retailer 5
-
$2,553 NZD
View
Price last confirmed 21 days ago
Retailer 6
-
$2,553 NZD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$2,583 NZD
View
A
Retailer 8
-
$2,614 NZD
View
Retailer 9
-
$2,672 NZD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$2,684 NZD
View
Retailer 11
-
$2,946 NZD
View
Price last confirmed 38 days ago
Retailer 12
-
$2,946 NZD
View
Price last confirmed 16 days ago
Retailer 13
-
$2,946 NZD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
$3,438 NZD
View
B+
Retailer 15
-
$4,526 NZD
View
B
Retailer 16
-
$6,045 NZD
View
Retailer 17
-
$6,227 NZD
View
Price last confirmed 10 days ago
Retailer 18
-
$6,227 NZD
View
Price last confirmed 17 days ago
Most Expensive
NZ Jewellers
48af8185-65f5-4ba9-b70e-8faae379f675 · Sep 28
$6,227 NZD
$3,452 USD
View
Price last confirmed 39 days ago
18 more retailers have this diamond
Prices start from $2,262 NZDSave up to $3,783 NZD

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
1.20ct Round
$2,262 NZD