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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG769628914

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769628914

Diamond specifications and retailer prices

From $492 AUD
$346 USD
As of October 29, 2026
Save $4,190 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,683 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 LG769628914 or 769628914. Listed at 23 retailers as of October 29, 2026, with prices from $492 to $4,683, a $4,190 spread on the same certified stone. Brilliant Earth lists it at $4,683. 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 angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769628914
Dimensions7.81 × 7.84 × 4.79 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.81 mm7.84 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769628914
Side View
Table 59.0%Crown 34.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

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: $4,683 AUD|Low: $549 AUD|High: $7,103 AUD|Avg: $1,952 AUD|-34.1%
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 30, 2026
Retailer 7$549 AUD
Retailer 16$826 AUD
Retailer 9$984 AUD
Retailer 13$986 AUD
Retailer 15$1,049 AUD
Retailer 2$1,094 AUD
Retailer 5$1,097 AUD
Retailer 14$1,266 AUD
Retailer 12$1,417 AUD
Retailer 18$1,485 AUD
Retailer 6$1,732 AUD
Retailer 4$1,953 AUD
Retailer 8$2,023 AUD
Retailer 3$2,306 AUD
Retailer 11$2,399 AUD
Retailer 10$2,585 AUD
Retailer 17$3,679 AUD
Brilliant Earth$4,683 AUD

39 data points across 18 retailers

23 retailers$492 AUD to $4,683 AUD

A
Cheapest Retailer
-
$492 AUD
$346 USD
A
Retailer 2
-
$549 AUD
$386 USD
View
Final sale: no returns
A
Retailer 3
-
$571 AUD
$401 USD
View
A
Retailer 4
-
$611 AUD
$429 USD
View
A
Retailer 5
-
$826 AUD
$580 USD
View
A
Retailer 6
-
$984 AUD
$691 USD
View
A
Retailer 7
-
$986 AUD
€660 EUR
View
A
Retailer 8
-
$1,049 AUD
ZAR 11,907 ZAR
View
A
Retailer 9
-
$1,094 AUD
£605 GBP
View
A
Retailer 10
-
$1,097 AUD
$771 USD
View
A
Retailer 11
-
$1,266 AUD
View
A
Retailer 12
-
$1,417 AUD
View
A
Retailer 13
-
$1,485 AUD
$1,043 USD
View
B+
Retailer 14
-
$1,732 AUD
$1,217 USD
View
B+
Retailer 15
-
$1,953 AUD
SGD 1,854 SGD
View
B+
Retailer 16
-
$1,963 AUD
$1,379 USD
View
B+
Retailer 17
-
$2,023 AUD
$1,421 USD
View
B+
Retailer 18
-
$2,151 AUD
$1,511 USD
View
B+
Retailer 19
-
$2,306 AUD
$1,620 USD
View
B+
Retailer 20
-
$2,399 AUD
£1,327 GBP
View
Retailer 21
-
$2,585 AUD
View
Price last confirmed 29 days ago
B+
Retailer 22
-
$3,679 AUD
$2,585 USD
View
Most Expensive
B
Brilliant Earth
17561786A · Oct 29
$4,683 AUD
$3,290 USD
View
22 more retailers have this diamond
Prices start from $492 AUDSave up to $4,190 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
$492 AUD