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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 €614 EUR
$683 USD
As of October 29, 2026
Save €3,888 EUR (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,501 EUR 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 €614 to €4,501, a €3,888 spread on the same certified stone. Brilliant Earth lists it at €4,501. 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

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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: €4,501 EUR|Low: €668 EUR|High: €4,501 EUR|Avg: €1,645 EUR
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€668 EUR
Retailer 7€686 EUR
Retailer 10€872 EUR
Retailer 5€940 EUR
Retailer 2€1,136 EUR
Retailer 8€1,158 EUR
Retailer 3€1,160 EUR
Retailer 9€1,309 EUR
Retailer 12€1,772 EUR
Retailer 14€1,819 EUR
Retailer 15€2,305 EUR
Retailer 4€2,398 EUR
Retailer 13€2,462 EUR
Retailer 11€3,004 EUR
Brilliant Earth€4,501 EUR

44 data points across 15 retailers

24 retailers€614 EUR to €4,501 EUR

A
Cheapest Retailer
-
€614 EUR
$683 USD
A
Retailer 2
-
€668 EUR
$743 USD
View
A
Retailer 3
-
€686 EUR
$764 USD
View
Final sale: no returns
Retailer 4
-
€712 EUR
$793 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
€712 EUR
$793 USD
View
A
Retailer 6
-
€828 EUR
HK$7,200 HKD
View
A
Retailer 7
-
€872 EUR
$970 USD
View
A
Retailer 8
-
€940 EUR
$1,046 USD
View
B+
Retailer 9
-
€1,136 EUR
£996 GBP
View
B+
Retailer 10
-
€1,158 EUR
View
B+
Retailer 11
-
€1,160 EUR
$1,291 USD
View
B+
Retailer 12
-
€1,198 EUR
$1,333 USD
View
B+
Retailer 13
-
€1,309 EUR
ZAR 23,537 ZAR
View
Retailer 14
-
€1,772 EUR
A$3,034 AUD
View
Price last confirmed 9 days ago
B+
Retailer 15
-
€1,819 EUR
$2,025 USD
View
B
Retailer 16
-
€2,003 EUR
$2,229 USD
View
B+
Retailer 17
-
€2,305 EUR
$2,565 USD
View
B
Retailer 18
-
€2,398 EUR
SGD 3,607 SGD
View
B
Retailer 19
-
€2,429 EUR
$2,704 USD
View
B
Retailer 20
-
€2,456 EUR
$2,734 USD
View
B
Retailer 21
-
€2,458 EUR
$2,736 USD
View
B
Retailer 22
-
€2,462 EUR
$2,740 USD
View
B
Retailer 23
-
€3,004 EUR
£2,633 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Oct 29
€4,501 EUR
$5,010 USD
View
23 more retailers have this diamond
Prices start from €614 EURSave up to €3,888 EUR

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
€614 EUR