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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG764669254

Shape and cutting style on the report: Round brilliant

Certificate IGI LG764669254

Diamond specifications and retailer prices

From $1,028 AUD
$722 USD
As of October 29, 2026
Save $6,104 AUD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $7,131 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 LG764669254 or 764669254. Listed at 24 retailers as of October 29, 2026, with prices from $1,028 to $7,131, a $6,104 spread on the same certified stone. Brilliant Earth lists it at $7,131. 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 angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764669254
Dimensions7.78 × 7.82 × 4.83 mm
L/W Ratio1.01
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
7.78 mm7.82 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764669254
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $7,131 AUD|Low: $1,150 AUD|High: $7,131 AUD|Avg: $2,830 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
October 30, 2026
Retailer 6$1,150 AUD
Retailer 10$1,445 AUD
Retailer 5$1,550 AUD
Retailer 8$1,900 AUD
Retailer 2$1,907 AUD
Retailer 3$1,934 AUD
Retailer 9$2,192 AUD
Retailer 13$2,938 AUD
Retailer 11$2,967 AUD
Retailer 14$3,867 AUD
Retailer 12$3,929 AUD
Retailer 4$4,015 AUD
Retailer 7$4,709 AUD
Brilliant Earth$7,131 AUD

43 data points across 14 retailers

24 retailers$1,028 AUD to $7,131 AUD

A
Cheapest Retailer
-
$1,028 AUD
$722 USD
A
Retailer 2
-
$1,119 AUD
$786 USD
View
A
Retailer 3
-
$1,150 AUD
$808 USD
View
Final sale: no returns
A
Retailer 4
-
$1,193 AUD
$838 USD
View
Retailer 5
-
$1,193 AUD
$838 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,385 AUD
HK$7,600 HKD
View
A
Retailer 7
-
$1,445 AUD
$1,015 USD
View
A
Retailer 8
-
$1,550 AUD
$1,089 USD
View
B+
Retailer 9
-
$1,900 AUD
€1,271 EUR
View
B+
Retailer 10
-
$1,907 AUD
£1,055 GBP
View
B+
Retailer 11
-
$1,916 AUD
$1,346 USD
View
B+
Retailer 12
-
$1,934 AUD
$1,359 USD
View
B+
Retailer 13
-
$2,192 AUD
ZAR 24,884 ZAR
View
B+
Retailer 14
-
$2,938 AUD
$2,064 USD
View
Retailer 15
-
$2,967 AUD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$3,354 AUD
$2,356 USD
View
B
Retailer 17
-
$3,867 AUD
$2,717 USD
View
B
Retailer 18
-
$3,929 AUD
$2,760 USD
View
B
Retailer 19
-
$4,015 AUD
SGD 3,812 SGD
View
B
Retailer 20
-
$4,068 AUD
$2,858 USD
View
B
Retailer 21
-
$4,072 AUD
$2,861 USD
View
B
Retailer 22
-
$4,112 AUD
$2,889 USD
View
B
Retailer 23
-
$4,709 AUD
£2,605 GBP
View
Most Expensive
B
Brilliant Earth
19055690A · Oct 29
$7,131 AUD
$5,010 USD
View
23 more retailers have this diamond
Prices start from $1,028 AUDSave up to $6,104 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
$1,028 AUD