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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG712551704

Shape and cutting style on the report: Round brilliant

Certificate IGI LG712551704

Diamond specifications and retailer prices

From $972 AUD
$683 USD
As of October 29, 2026
Save $6,159 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 LG712551704 or 712551704. Listed at 24 retailers as of October 29, 2026, with prices from $972 to $7,131, a $6,159 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 angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712551704
Dimensions7.85 × 7.90 × 4.78 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
7.85 mm7.90 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712551704
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: $1,058 AUD|High: $7,131 AUD|Avg: $2,606 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 6$1,058 AUD
Retailer 7$1,087 AUD
Retailer 10$1,381 AUD
Retailer 5$1,489 AUD
Retailer 2$1,800 AUD
Retailer 8$1,835 AUD
Retailer 3$1,838 AUD
Retailer 9$2,074 AUD
Retailer 12$2,807 AUD
Retailer 14$2,882 AUD
Retailer 15$3,651 AUD
Retailer 4$3,799 AUD
Retailer 13$3,900 AUD
Retailer 11$4,760 AUD
Brilliant Earth$7,131 AUD

44 data points across 15 retailers

24 retailers$972 AUD to $7,131 AUD

A
Cheapest Retailer
-
$972 AUD
$683 USD
A
Retailer 2
-
$1,058 AUD
$743 USD
View
A
Retailer 3
-
$1,087 AUD
$764 USD
View
Final sale: no returns
Retailer 4
-
$1,129 AUD
$793 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,129 AUD
$793 USD
View
A
Retailer 6
-
$1,312 AUD
HK$7,200 HKD
View
A
Retailer 7
-
$1,381 AUD
$970 USD
View
A
Retailer 8
-
$1,489 AUD
$1,046 USD
View
B+
Retailer 9
-
$1,800 AUD
£996 GBP
View
B+
Retailer 10
-
$1,835 AUD
€1,228 EUR
View
B+
Retailer 11
-
$1,838 AUD
$1,291 USD
View
B+
Retailer 12
-
$1,897 AUD
$1,333 USD
View
B+
Retailer 13
-
$2,074 AUD
ZAR 23,537 ZAR
View
Retailer 14
-
$2,807 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,882 AUD
$2,025 USD
View
B
Retailer 16
-
$3,173 AUD
$2,229 USD
View
B+
Retailer 17
-
$3,651 AUD
$2,565 USD
View
B
Retailer 18
-
$3,799 AUD
SGD 3,607 SGD
View
B
Retailer 19
-
$3,849 AUD
$2,704 USD
View
B
Retailer 20
-
$3,891 AUD
$2,734 USD
View
B
Retailer 21
-
$3,894 AUD
$2,736 USD
View
B
Retailer 22
-
$3,900 AUD
$2,740 USD
View
B
Retailer 23
-
$4,760 AUD
£2,633 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Oct 29
$7,131 AUD
$5,010 USD
View
23 more retailers have this diamond
Prices start from $972 AUDSave up to $6,159 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
$972 AUD