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Round|Lab Grown|IGI

1.85ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809650846

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809650846

Diamond specifications and retailer prices

From $547 AUD
$384 USD
As of October 28, 2026
Save $3,795 AUD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,939 AUD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 1.85ct lab-grown round diamond

This 1.85ct 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 LG809650846 or 809650846. Listed at 16 retailers as of October 28, 2026, with a 694% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809650846
Dimensions7.94 × 7.92 × 4.79 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.94 mm7.92 mm1.85 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809650846
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.4%

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 28
Current: $4,939 AUD|Low: $400 AUD|High: $4,939 AUD|Avg: $1,878 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 6$547 AUD
Retailer 15$974 AUD
Retailer 12$975 AUD
Retailer 10$1,000 AUD
Retailer 11$1,040 AUD
Retailer 7$1,078 AUD
Retailer 5$1,095 AUD
Retailer 18$1,399 AUD
Retailer 2$1,404 AUD
Retailer 8$1,419 AUD
Retailer 14$1,775 AUD
Retailer 17$2,173 AUD
Retailer 16$2,195 AUD
Retailer 4$2,286 AUD
Retailer 13$2,430 AUD
Retailer 9$3,340 AUD
Retailer 3$4,341 AUD
Brilliant Earth$4,939 AUD

21 data points across 18 retailers

16 retailers$547 AUD to $4,341 AUD

A
Cheapest Retailer
-
$547 AUD
$384 USD
Final sale: no returns
A
Retailer 2
-
$974 AUD
$684 USD
View
A
Retailer 3
-
$975 AUD
$685 USD
View
A
Retailer 4
-
$1,040 AUD
ZAR 11,805 ZAR
View
A
Retailer 5
-
$1,095 AUD
$769 USD
View
A
Retailer 6
-
$1,399 AUD
$983 USD
View
A
Retailer 7
-
$1,404 AUD
View
A
Retailer 8
-
$1,419 AUD
$997 USD
View
Price last confirmed 28 days ago
B+
Retailer 9
-
$1,775 AUD
$1,247 USD
View
B+
Retailer 10
-
$2,173 AUD
$1,526 USD
View
B+
Retailer 11
-
$2,195 AUD
$1,542 USD
View
B+
Retailer 12
-
$2,286 AUD
$1,606 USD
View
B+
Retailer 13
-
$2,430 AUD
£1,344 GBP
View
B
Retailer 14
-
$3,340 AUD
$2,346 USD
View
Price last confirmed 50 days ago
B
Retailer 15
-
$4,341 AUD
$3,050 USD
View
Most Expensive
B
Brilliant Earth
20536737A · Sep 23
$4,939 AUD
$3,470 USD
View
Price last confirmed 36 days ago
15 more retailers have this diamond
Prices start from $547 AUDSave up to $3,795 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
1.85ct Round
$547 AUD