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Round|Natural|IGI

1.80ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 557222231

Shape and cutting style on the report: Round brilliant

Certificate IGI 557222231

Diamond specifications and retailer prices

From $2,256 USD
As of November 5, 2026
Save $3,623 USD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,879 USD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 557222231. Listed at 13 retailers as of November 5, 2026, with prices from $2,256 to $5,879, a $3,623 spread on the same certified stone. NZ Jewellers lists it at $5,879. 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

1.80
Carat
L
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 557222231
Dimensions7.71 × 7.74 × 4.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.71 mm7.74 mm1.80 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 557222231
Side View
Table 56.5%Crown 36.7°Girdle: Med.Pavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,879 USD|Low: $2,256 USD|High: $5,967 USD|Avg: $3,191 USD|-1.5%
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 5, 2026
Retailer 2$2,256 USD
Retailer 8$2,450 USD
Retailer 12$2,519 USD
Retailer 4$2,812 USD
Retailer 10$2,812 USD
Retailer 7$2,843 USD
Retailer 13$2,846 USD
Retailer 5$2,920 USD
Retailer 3$2,953 USD
Retailer 6$3,243 USD
Retailer 9$3,244 USD
Retailer 11$4,296 USD
NZ Jewellers$5,879 USD

41 data points across 13 retailers

13 retailers$2,256 USD to $5,879 USD

A
Cheapest Retailer
-
$2,256 USD
B+
Retailer 2
-
$2,450 USD
View
B+
Retailer 3
-
$2,519 USD
View
Retailer 4
-
$2,812 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$2,812 USD
View
B+
Retailer 6
-
$2,843 USD
View
B+
Retailer 7
-
$2,846 USD
View
B+
Retailer 8
-
$2,920 USD
View
B+
Retailer 9
-
$2,953 USD
View
B+
Retailer 10
-
$3,243 USD
View
B+
Retailer 11
-
$3,244 USD
View
B
Retailer 12
-
$4,296 USD
View
Most Expensive
C
NZ Jewellers
352320e5-1d85-4d3b-8223-e2a6b3e70a52 · Nov 5
$5,879 USD
View
12 more retailers have this diamond
Prices start from $2,256 USDSave up to $3,623 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
1.80ct Round
$2,256 USD