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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG801618135

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801618135

Diamond specifications and retailer prices

From $966 AUD
$679 USD
As of October 30, 2026
Save $2,720 AUD (74%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,687 AUD at Rare Carat · As of October 25, 2026
View at Rare Carat

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801618135 or 801618135. Listed at 8 retailers as of October 25, 2026, with prices from $966 to $3,687, a $2,720 spread on the same certified stone. Rare Carat lists it at $3,687. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801618135
Dimensions7.77 × 7.72 × 4.86 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.77 mm7.72 mm1.80 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801618135
Side View
Table 58.0%Crown 35.9°Girdle: MediumPavilion 41.2°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: Oct 30
Current: $3,687 AUD|Low: $966 AUD|High: $3,765 AUD|Avg: $1,837 AUD|+9.7%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 7$966 AUD
Retailer 9$980 AUD
Retailer 5$981 AUD
Retailer 2$1,075 AUD
Retailer 4$1,712 AUD
Retailer 6$1,993 AUD
Retailer 3$2,421 AUD
Retailer 8$2,552 AUD
Rare Carat$3,687 AUD

43 data points across 9 retailers

8 retailers$966 AUD to $3,687 AUD

A
Cheapest Retailer
-
$966 AUD
$679 USD
A
Retailer 2
-
$981 AUD
$689 USD
View
A
Retailer 3
-
$1,075 AUD
£595 GBP
View
B+
Retailer 4
-
$1,712 AUD
$1,203 USD
View
B+
Retailer 5
-
$1,993 AUD
$1,400 USD
View
B+
Retailer 6
-
$2,421 AUD
£1,339 GBP
View
B+
Retailer 7
-
$2,552 AUD
$1,793 USD
View
Most Expensive
B
Rare Carat
3S801618135 · Oct 25
$3,687 AUD
$2,590 USD
View
7 more retailers have this diamond
Prices start from $966 AUDSave up to $2,720 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
$966 AUD