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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG738504078

Shape and cutting style on the report: Round brilliant

Certificate IGI LG738504078

Diamond specifications and retailer prices

From €234 EUR
$261 USD
As of November 1, 2026
Save €1,010 EUR (81%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: €1,790 EUR at Brilliant Earth · As of October 13, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG738504078 or 738504078. Listed at 26 retailers as of November 1, 2026, with a 432% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
F
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG738504078
Dimensions7.94 × 7.88 × 4.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.88 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG738504078
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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: €500 EUR|Low: €232 EUR|High: €1,243 EUR|Avg: €588 EUR|+1.2%
Retailer 1
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Retailer 21
November 2, 2026
Retailer 13€234 EUR
Retailer 12€260 EUR
Retailer 3€271 EUR
Retailer 6€290 EUR
Retailer 7€290 EUR
Retailer 20€448 EUR
Retailer 16€460 EUR
Retailer 8€482 EUR
Retailer 19€496 EUR
Retailer 1€500 EUR
Retailer 5€539 EUR
Retailer 17€553 EUR
Retailer 21€563 EUR
Retailer 4€615 EUR
Retailer 2€674 EUR
Retailer 10€770 EUR
Retailer 14€932 EUR
Retailer 11€978 EUR
Retailer 18€1,140 EUR
Retailer 15€1,162 EUR
Retailer 9€1,243 EUR

29 data points across 21 retailers

26 retailers€234 EUR to €1,243 EUR

A
Cheapest Retailer
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€234 EUR
$261 USD
A
Retailer 2
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€260 EUR
$291 USD
View
Final sale: no returns
A
Retailer 3
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€271 EUR
$303 USD
View
A
Retailer 4
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€290 EUR
$324 USD
View
Retailer 5
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€290 EUR
$324 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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€448 EUR
$500 USD
View
A
Retailer 7
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€460 EUR
£405 GBP
View
B+
Retailer 8
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€482 EUR
$539 USD
View
A
Retailer 9
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€496 EUR
View
A
Retailer 10
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€500 EUR
ZAR 9,021 ZAR
View
A
Retailer 11
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€539 EUR
$602 USD
View
A
Retailer 12
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€553 EUR
£487 GBP
View
A
Retailer 13
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€563 EUR
A$968 AUD
View
A
Retailer 14
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€615 EUR
$687 USD
View
A
Retailer 15
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€674 EUR
A$1,159 AUD
View
B+
Retailer 16
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€770 EUR
$860 USD
View
B+
Retailer 17
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€932 EUR
$1,041 USD
View
B+
Retailer 18
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€943 EUR
$1,054 USD
View
B+
Retailer 19
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€978 EUR
$1,092 USD
View
B
Retailer 20
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€1,077 EUR
$1,203 USD
View
Retailer 21
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€1,082 EUR
A$1,859 AUD
View
Price last confirmed 31 days ago
Retailer 22
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€1,084 EUR
$1,211 USD
View
Price last confirmed 74 days ago
B
Retailer 23
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€1,140 EUR
$1,274 USD
View
B
Retailer 24
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€1,162 EUR
£1,022 GBP
View
B
Retailer 25
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€1,243 EUR
$1,389 USD
View
Most Expensive
Brilliant Earth
16462177A · Oct 13
€1,790 EUR
$2,000 USD
View
Price last confirmed 19 days ago
25 more retailers have this diamond
Prices start from €234 EURSave up to €1,010 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
€234 EUR