CaratHunter
Plans
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 $3,223 AUD
As of November 5, 2026
Save $5,175 AUD (62%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,398 AUD 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 $3,223 to $8,398, a $5,175 spread on the same certified stone. NZ Jewellers lists it at $8,398. 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
Colour
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: $8,398 AUD|Low: $3,223 AUD|High: $8,524 AUD|Avg: $4,558 AUD|-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$3,223 AUD
Retailer 8$3,500 AUD
Retailer 12$3,598 AUD
Retailer 4$4,017 AUD
Retailer 10$4,017 AUD
Retailer 7$4,061 AUD
Retailer 13$4,066 AUD
Retailer 5$4,171 AUD
Retailer 3$4,218 AUD
Retailer 6$4,633 AUD
Retailer 9$4,634 AUD
Retailer 11$6,137 AUD
NZ Jewellers$8,398 AUD

41 data points across 13 retailers

13 retailers$3,223 AUD to $8,398 AUD

A
Cheapest Retailer
-
$3,223 AUD
B+
Retailer 2
-
$3,500 AUD
View
B+
Retailer 3
-
$3,598 AUD
View
Retailer 4
-
$4,017 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$4,017 AUD
View
B+
Retailer 6
-
$4,061 AUD
View
B+
Retailer 7
-
$4,066 AUD
View
B+
Retailer 8
-
$4,171 AUD
View
B+
Retailer 9
-
$4,218 AUD
View
B+
Retailer 10
-
$4,633 AUD
View
B+
Retailer 11
-
$4,634 AUD
View
B
Retailer 12
-
$6,137 AUD
View
Most Expensive
C
NZ Jewellers
352320e5-1d85-4d3b-8223-e2a6b3e70a52 · Nov 5
$8,398 AUD
$5,879 USD
View
12 more retailers have this diamond
Prices start from $3,223 AUDSave up to $5,175 AUD

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
$3,223 AUD