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1.80ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 759518420

Shape and cutting style on the report: Round brilliant

Certificate IGI 759518420

Diamond specifications and retailer prices

From $1,437 SGD
As of November 5, 2026
Save $771 SGD (35%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,208 SGD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

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 759518420. Listed at 5 retailers as of November 5, 2026, with prices from $1,437 to $2,208, a $771 spread on the same certified stone. Moon Ocean lists it at $2,208. 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 angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 759518420
Dimensions7.65 × 7.69 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.65 mm7.69 mm1.80 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 759518420
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.5%

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: $2,208 SGD|Low: $1,437 SGD|High: $2,249 SGD|Avg: $1,875 SGD|-1.8%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 2$1,437 SGD
Retailer 3$1,631 SGD
Retailer 4$1,933 SGD
Retailer 5$2,160 SGD
Moon Ocean$2,208 SGD

44 data points across 5 retailers

5 retailers$1,437 SGD to $2,208 SGD

A
Cheapest Retailer
-
$1,437 SGD
A
Retailer 2
-
$1,631 SGD
View
B+
Retailer 3
-
$1,933 SGD
View
Retailer 4
-
$1,934 SGD
View
Price last confirmed 95 days ago
Most Expensive
B+
Moon Ocean
NVN-4FA076811-420 · Nov 6
$2,208 SGD
£1,361 GBP
View
4 more retailers have this diamond
Prices start from $1,437 SGDSave up to $771 SGD

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
$1,437 SGD