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1.80ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 773635939

Shape and cutting style on the report: Round brilliant

Certificate IGI 773635939

Diamond specifications and retailer prices

From $1,378 USD
As of November 5, 2026
Save $2,807 USD (67%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,185 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 773635939. Listed at 10 retailers as of November 5, 2026, with prices from $1,378 to $4,185, a $2,807 spread on the same certified stone. NZ Jewellers lists it at $4,185. 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 angle36.5°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 773635939
Dimensions7.71 × 7.77 × 4.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.71 mm7.77 mm1.80 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 773635939
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.2%

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 5
Current: $4,185 USD|Low: $1,378 USD|High: $4,185 USD|Avg: $2,063 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3$1,378 USD
Retailer 4$1,563 USD
Retailer 7$1,716 USD
Retailer 9$1,716 USD
Retailer 5$1,795 USD
Retailer 6$1,852 USD
Retailer 8$1,980 USD
Retailer 2$2,151 USD
NZ Jewellers$4,185 USD

45 data points across 9 retailers

10 retailers$1,378 USD to $4,185 USD

A
Cheapest Retailer
-
$1,378 USD
A
Retailer 2
-
$1,563 USD
View
Retailer 3
-
$1,662 USD
View
Price last confirmed 95 days ago
B+
Retailer 4
-
$1,716 USD
View
Retailer 5
-
$1,716 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$1,795 USD
View
B+
Retailer 7
-
$1,852 USD
View
B+
Retailer 8
-
$1,980 USD
View
A
Retailer 9
-
$2,151 USD
View
Most Expensive
B
NZ Jewellers
055c4dfc-e236-4d1c-aa53-fd146c5a1a61 · Nov 5
$4,185 USD
View
9 more retailers have this diamond
Prices start from $1,378 USDSave up to $2,807 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
$1,378 USD