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Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG607370993

Shape and cutting style on the report: Round brilliant

Certificate IGI LG607370993

Diamond specifications and retailer prices

From €412 EUR
$460 USD
As of October 29, 2026
Save €3,124 EUR (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €3,536 EUR at Brilliant Earth · As of October 31, 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 LG607370993 or 607370993. Listed at 25 retailers as of October 29, 2026, with prices from €412 to €3,536, a €3,124 spread on the same certified stone. Brilliant Earth lists it at €3,536. 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
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607370993
Dimensions7.95 × 7.90 × 4.90 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.95 mm7.90 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607370993
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €3,536 EUR|Low: €412 EUR|High: €4,726 EUR|Avg: €1,482 EUR|-25.2%
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 6€412 EUR
Retailer 19€461 EUR
Retailer 16€462 EUR
Retailer 23€511 EUR
Retailer 9€561 EUR
Retailer 22€640 EUR
Retailer 4€685 EUR
Retailer 5€737 EUR
Retailer 13€779 EUR
Retailer 2€837 EUR
Retailer 21€878 EUR
Retailer 20€1,081 EUR
Retailer 7€1,190 EUR
Retailer 18€1,190 EUR
Retailer 8€1,235 EUR
Retailer 11€1,624 EUR
Retailer 15€1,643 EUR
Retailer 14€1,671 EUR
Retailer 17€1,696 EUR
Retailer 10€1,812 EUR
Retailer 3€1,880 EUR
Retailer 12€1,913 EUR
Brilliant Earth€3,536 EUR

31 data points across 23 retailers

25 retailers€412 EUR to €3,536 EUR

A
Cheapest Retailer
-
€412 EUR
$460 USD
A
Retailer 2
-
€461 EUR
$515 USD
View
Final sale: no returns
A
Retailer 3
-
€462 EUR
$516 USD
View
A
Retailer 4
-
€511 EUR
$571 USD
View
A
Retailer 5
-
€561 EUR
HK$4,900 HKD
View
A
Retailer 6
-
€640 EUR
$715 USD
View
A
Retailer 7
-
€685 EUR
$765 USD
View
Retailer 8
-
€703 EUR
$785 USD
View
Price last confirmed 15 days ago
A
Retailer 9
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€737 EUR
$823 USD
View
A
Retailer 10
-
€779 EUR
View
A
Retailer 11
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€837 EUR
£736 GBP
View
A
Retailer 12
-
€878 EUR
ZAR 15,852 ZAR
View
A
Retailer 13
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€1,081 EUR
A$1,858 AUD
View
B+
Retailer 14
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€1,190 EUR
$1,329 USD
View
B+
Retailer 15
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€1,190 EUR
A$2,045 AUD
View
B+
Retailer 16
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€1,235 EUR
$1,380 USD
View
B+
Retailer 17
-
€1,624 EUR
SGD 2,452 SGD
View
B+
Retailer 18
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€1,643 EUR
$1,836 USD
View
B+
Retailer 19
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€1,671 EUR
$1,866 USD
View
B+
Retailer 20
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€1,696 EUR
A$2,915 AUD
View
B+
Retailer 21
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€1,794 EUR
$2,004 USD
View
B+
Retailer 22
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€1,812 EUR
$2,025 USD
View
B+
Retailer 23
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€1,880 EUR
£1,654 GBP
View
B+
Retailer 24
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€1,913 EUR
$2,137 USD
View
Most Expensive
B
Brilliant Earth
14484113A · Oct 31
€3,536 EUR
$3,950 USD
View
24 more retailers have this diamond
Prices start from €412 EURSave up to €3,124 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
€412 EUR