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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809661925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661925

Diamond specifications and retailer prices

From €381 EUR
$424 USD
As of October 28, 2026
Save €3,491 EUR (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €3,872 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct 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 LG809661925 or 809661925. Listed at 27 retailers as of October 28, 2026, with prices from €381 to €3,872, a €3,491 spread on the same certified stone. Brilliant Earth lists it at €3,872. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809661925
Dimensions8.01 × 7.98 × 4.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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
8.01 mm7.98 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809661925
Side View
Table 60.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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 28
Current: €3,872 EUR|Low: €381 EUR|High: €3,872 EUR|Avg: €1,193 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
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5€381 EUR
Retailer 15€595 EUR
Retailer 18€602 EUR
Retailer 13€638 EUR
Retailer 11€678 EUR
Retailer 8€724 EUR
Retailer 14€726 EUR
Retailer 17€757 EUR
Retailer 6€967 EUR
Retailer 2€980 EUR
Retailer 10€1,200 EUR
Retailer 3€1,215 EUR
Retailer 7€1,392 EUR
Retailer 4€1,581 EUR
Retailer 16€1,586 EUR
Retailer 12€1,658 EUR
Retailer 9€2,318 EUR
Brilliant Earth€3,872 EUR

30 data points across 18 retailers

27 retailers€381 EUR to €3,872 EUR

A
Retailer 1
-
€345 EUR
$384 USD
Price last confirmed 19 days ago
A
Retailer 2
-
€359 EUR
$400 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
€381 EUR
$424 USD
View
Final sale: no returns
A
Retailer 4
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€403 EUR
$448 USD
View
Price last confirmed 37 days ago
A
Retailer 5
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€428 EUR
$476 USD
View
Price last confirmed 27 days ago
A
Retailer 6
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€428 EUR
$476 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
€439 EUR
$489 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
€595 EUR
$662 USD
View
A
Retailer 9
-
€602 EUR
$670 USD
View
A
Retailer 10
-
€638 EUR
£559 GBP
View
A
Retailer 11
-
€678 EUR
View
A
Retailer 12
-
€724 EUR
$806 USD
View
A
Retailer 13
-
€726 EUR
ZAR 13,045 ZAR
View
A
Retailer 14
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€757 EUR
£663 GBP
View
A
Retailer 15
-
€967 EUR
$1,077 USD
View
A
Retailer 16
-
€980 EUR
A$1,678 AUD
View
B+
Retailer 17
-
€1,200 EUR
$1,336 USD
View
B+
Retailer 18
-
€1,215 EUR
$1,352 USD
View
B+
Retailer 19
-
€1,376 EUR
$1,531 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
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€1,392 EUR
$1,549 USD
View
B+
Retailer 21
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€1,431 EUR
$1,593 USD
View
Price last confirmed 38 days ago
B+
Retailer 22
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€1,473 EUR
$1,640 USD
View
B+
Retailer 23
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€1,581 EUR
$1,760 USD
View
B+
Retailer 24
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€1,586 EUR
$1,765 USD
View
B+
Retailer 25
-
€1,658 EUR
£1,453 GBP
View
B+
Retailer 26
-
€2,318 EUR
$2,580 USD
View
Most Expensive
B
Brilliant Earth
20436430A · Oct 29
€3,872 EUR
$4,310 USD
View
26 more retailers have this diamond
Prices start from €381 EURSave up to €3,491 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
1.91ct Round
€381 EUR