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Round|Lab Grown|IGI

1.85ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG731593533

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731593533

Diamond specifications and retailer prices

From $490 AUD
$344 USD
As of October 29, 2026
Save $4,293 AUD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,783 AUD at Brilliant Earth · As of October 29, 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 LG731593533 or 731593533. Listed at 26 retailers as of October 29, 2026, with prices from $490 to $4,783, a $4,293 spread on the same certified stone. Brilliant Earth lists it at $4,783. 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 angle34.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731593533
Dimensions7.86 × 7.91 × 4.90 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
7.86 mm7.91 mm1.85 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731593533
Side View
Table 55.0%Crown 34.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: Oct 29
Current: $4,783 AUD|Low: $403 AUD|High: $4,783 AUD|Avg: $1,470 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
October 29, 2026
Retailer 8$490 AUD
Retailer 5$766 AUD
Retailer 12$769 AUD
Retailer 9$886 AUD
Retailer 11$934 AUD
Retailer 2$961 AUD
Retailer 6$1,038 AUD
Retailer 7$1,223 AUD
Retailer 10$1,267 AUD
Retailer 15$1,670 AUD
Retailer 3$1,784 AUD
Retailer 4$1,916 AUD
Retailer 13$2,182 AUD
Retailer 14$3,758 AUD
Brilliant Earth$4,783 AUD

37 data points across 15 retailers

26 retailers$490 AUD to $4,783 AUD

A
Retailer 1
-
$438 AUD
$308 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$438 AUD
$308 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$490 AUD
$344 USD
View
Final sale: no returns
A
Retailer 4
-
$508 AUD
$357 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$537 AUD
$377 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$544 AUD
$382 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$544 AUD
$382 USD
View
Price last confirmed 27 days ago
B+
Retailer 8
-
$766 AUD
$538 USD
View
A
Retailer 9
-
$769 AUD
$540 USD
View
A
Retailer 10
-
$886 AUD
€593 EUR
View
A
Retailer 11
-
$934 AUD
ZAR 10,600 ZAR
View
A
Retailer 12
-
$961 AUD
£532 GBP
View
A
Retailer 13
-
$1,038 AUD
$729 USD
View
A
Retailer 14
-
$1,223 AUD
$859 USD
View
A
Retailer 15
-
$1,267 AUD
View
A
Retailer 16
-
$1,670 AUD
$1,173 USD
View
B+
Retailer 17
-
$1,747 AUD
$1,227 USD
View
Price last confirmed 32 days ago
B+
Retailer 18
-
$1,747 AUD
$1,227 USD
View
Price last confirmed 22 days ago
B+
Retailer 19
-
$1,784 AUD
$1,253 USD
View
B+
Retailer 20
-
$1,814 AUD
$1,274 USD
View
B+
Retailer 21
-
$1,916 AUD
$1,346 USD
View
B+
Retailer 22
-
$2,090 AUD
$1,468 USD
View
B+
Retailer 23
-
$2,182 AUD
£1,207 GBP
View
B+
Retailer 24
-
$2,189 AUD
$1,538 USD
View
B
Retailer 25
-
$3,758 AUD
$2,640 USD
View
Most Expensive
B
Brilliant Earth
16414829A · Oct 29
$4,783 AUD
$3,360 USD
View
25 more retailers have this diamond
Prices start from $490 AUDSave up to $4,293 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
$490 AUD