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 €413 EUR
$460 USD
As of October 29, 2026
Save €3,881 EUR (90%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €4,295 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 LG607370993 or 607370993. Listed at 25 retailers as of October 29, 2026, with prices from €413 to €4,295, a €3,881 spread on the same certified stone. Brilliant Earth lists it at €4,295. 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 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €4,295 EUR|Low: €413 EUR|High: €4,744 EUR|Avg: €1,553 EUR|-9.5%
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 4€413 EUR
Retailer 13€463 EUR
Retailer 14€464 EUR
Retailer 21€513 EUR
Retailer 7€564 EUR
Retailer 20€642 EUR
Retailer 23€687 EUR
Retailer 3€739 EUR
Retailer 17€785 EUR
Retailer 2€845 EUR
Retailer 19€882 EUR
Retailer 18€1,085 EUR
Retailer 5€1,194 EUR
Retailer 6€1,240 EUR
Retailer 9€1,630 EUR
Retailer 12€1,650 EUR
Retailer 11€1,677 EUR
Retailer 15€1,754 EUR
Retailer 8€1,819 EUR
Retailer 16€1,863 EUR
Retailer 22€1,887 EUR
Retailer 10€1,920 EUR
Brilliant Earth€4,295 EUR

30 data points across 23 retailers

25 retailers€413 EUR to €4,295 EUR

A
Cheapest Retailer
-
€413 EUR
$460 USD
A
Retailer 2
-
€463 EUR
$515 USD
View
Final sale: no returns
A
Retailer 3
-
€464 EUR
$516 USD
View
A
Retailer 4
-
€513 EUR
$571 USD
View
A
Retailer 5
-
€564 EUR
HK$4,900 HKD
View
A
Retailer 6
-
€642 EUR
$715 USD
View
A
Retailer 7
-
€687 EUR
$765 USD
View
A
Retailer 8
-
€705 EUR
$785 USD
View
Price last confirmed 13 days ago
A
Retailer 9
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€739 EUR
$823 USD
View
A
Retailer 10
-
€785 EUR
View
A
Retailer 11
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€845 EUR
£740 GBP
View
A
Retailer 12
-
€882 EUR
ZAR 15,852 ZAR
View
A
Retailer 13
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€1,085 EUR
A$1,858 AUD
View
A
Retailer 14
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€1,194 EUR
$1,329 USD
View
B+
Retailer 15
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€1,240 EUR
$1,380 USD
View
B+
Retailer 16
-
€1,630 EUR
SGD 2,452 SGD
View
B+
Retailer 17
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€1,650 EUR
$1,836 USD
View
B+
Retailer 18
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€1,677 EUR
$1,866 USD
View
B+
Retailer 19
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€1,754 EUR
A$3,004 AUD
View
Price last confirmed 8 days ago
B+
Retailer 20
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€1,801 EUR
$2,004 USD
View
B+
Retailer 21
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€1,819 EUR
$2,025 USD
View
B+
Retailer 22
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€1,863 EUR
A$3,190 AUD
View
Price last confirmed 21 days ago
B+
Retailer 23
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€1,887 EUR
£1,654 GBP
View
B+
Retailer 24
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€1,920 EUR
$2,137 USD
View
Most Expensive
B
Brilliant Earth
14484113A · Oct 29
€4,295 EUR
$4,780 USD
View
24 more retailers have this diamond
Prices start from €413 EURSave up to €3,881 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
€413 EUR