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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG757532935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757532935

Diamond specifications and retailer prices

From $810 AUD
$569 USD
As of October 29, 2026
Save $6,307 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,117 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct 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 LG757532935 or 757532935. Listed at 23 retailers as of October 29, 2026, with prices from $810 to $7,117, a $6,307 spread on the same certified stone. Brilliant Earth lists it at $7,117. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757532935
Dimensions7.87 × 7.91 × 4.78 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
7.87 mm7.91 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757532935
Side View
Table 56.0%Crown 33.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

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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: $7,117 AUD|Low: $777 AUD|High: $7,117 AUD|Avg: $2,336 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 30, 2026
Retailer 5$810 AUD
Retailer 6$1,003 AUD
Retailer 12$1,196 AUD
Retailer 13$1,345 AUD
Retailer 10$1,441 AUD
Retailer 2$1,514 AUD
Retailer 9$1,532 AUD
Retailer 8$1,563 AUD
Retailer 11$1,726 AUD
Retailer 15$2,353 AUD
Retailer 3$2,492 AUD
Retailer 4$3,040 AUD
Retailer 7$3,375 AUD
Retailer 14$4,366 AUD
Brilliant Earth$7,117 AUD

30 data points across 15 retailers

23 retailers$810 AUD to $7,117 AUD

A
Cheapest Retailer
-
$810 AUD
$569 USD
A
Retailer 2
-
$907 AUD
$637 USD
View
A
Retailer 3
-
$907 AUD
$637 USD
View
Final sale: no returns
Retailer 4
-
$1,003 AUD
$705 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,003 AUD
$705 USD
View
A
Retailer 6
-
$1,196 AUD
$840 USD
View
A
Retailer 7
-
$1,325 AUD
$931 USD
View
A
Retailer 8
-
$1,345 AUD
$945 USD
View
A
Retailer 9
-
$1,441 AUD
View
A
Retailer 10
-
$1,514 AUD
£837 GBP
View
A
Retailer 11
-
$1,532 AUD
€1,025 EUR
View
A
Retailer 12
-
$1,563 AUD
£864 GBP
View
A
Retailer 13
-
$1,726 AUD
ZAR 19,588 ZAR
View
B+
Retailer 14
-
$1,842 AUD
$1,294 USD
View
Retailer 15
-
$2,353 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$2,492 AUD
$1,751 USD
View
B+
Retailer 17
-
$2,642 AUD
$1,856 USD
View
Retailer 18
-
$2,717 AUD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
$3,040 AUD
$2,136 USD
View
B
Retailer 20
-
$3,254 AUD
$2,286 USD
View
B
Retailer 21
-
$3,375 AUD
$2,371 USD
View
B
Retailer 22
-
$4,366 AUD
£2,415 GBP
View
Most Expensive
B
Brilliant Earth
17197538A · Oct 29
$7,117 AUD
$5,000 USD
View
22 more retailers have this diamond
Prices start from $810 AUDSave up to $6,307 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
1.81ct Round
$810 AUD