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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 €611 EUR
$683 USD
As of November 1, 2026
Save €3,873 EUR (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,484 EUR at Brilliant Earth · As of October 31, 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 31, 2026, with prices from €611 to €4,484, a €3,873 spread on the same certified stone. Brilliant Earth lists it at €4,484. 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
Color
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: Nov 1
Current: €4,484 EUR|Low: €587 EUR|High: €4,484 EUR|Avg: €1,569 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 1, 2026
Retailer 18€611 EUR
Retailer 8€665 EUR
Retailer 10€684 EUR
Retailer 4€710 EUR
Retailer 15€868 EUR
Retailer 7€936 EUR
Retailer 11€1,132 EUR
Retailer 12€1,151 EUR
Retailer 5€1,156 EUR
Retailer 14€1,304 EUR
Retailer 13€1,766 EUR
Retailer 17€1,813 EUR
Retailer 9€1,995 EUR
Retailer 3€2,296 EUR
Retailer 6€2,389 EUR
Retailer 16€2,453 EUR
Retailer 2€2,989 EUR
Brilliant Earth€4,484 EUR

43 data points across 18 retailers

24 retailers€611 EUR to €4,484 EUR

A
Cheapest Retailer
-
€611 EUR
$683 USD
A
Retailer 2
-
€665 EUR
$743 USD
View
A
Retailer 3
-
€684 EUR
$764 USD
View
Final sale: no returns
Retailer 4
-
€710 EUR
$793 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
€710 EUR
$793 USD
View
A
Retailer 6
-
€825 EUR
HK$7,200 HKD
View
A
Retailer 7
-
€868 EUR
$970 USD
View
A
Retailer 8
-
€936 EUR
$1,046 USD
View
B+
Retailer 9
-
€1,132 EUR
£996 GBP
View
B+
Retailer 10
-
€1,151 EUR
View
B+
Retailer 11
-
€1,156 EUR
$1,291 USD
View
B+
Retailer 12
-
€1,193 EUR
$1,333 USD
View
B+
Retailer 13
-
€1,304 EUR
ZAR 23,537 ZAR
View
B+
Retailer 14
-
€1,766 EUR
A$3,036 AUD
View
B+
Retailer 15
-
€1,813 EUR
$2,025 USD
View
B
Retailer 16
-
€1,995 EUR
$2,229 USD
View
B+
Retailer 17
-
€2,296 EUR
$2,565 USD
View
B
Retailer 18
-
€2,389 EUR
SGD 3,607 SGD
View
B
Retailer 19
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€2,420 EUR
$2,704 USD
View
B
Retailer 20
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€2,447 EUR
$2,734 USD
View
B
Retailer 21
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€2,449 EUR
$2,736 USD
View
Retailer 22
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€2,453 EUR
$2,740 USD
View
Price last confirmed 7 days ago
B
Retailer 23
-
€2,989 EUR
£2,629 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Oct 31
€4,484 EUR
$5,010 USD
View
23 more retailers have this diamond
Prices start from €611 EURSave up to €3,873 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
€611 EUR