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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG749568822

Shape and cutting style on the report: Round brilliant

Certificate IGI LG749568822

Diamond specifications and retailer prices

From £195 GBP
$261 USD
As of November 1, 2026
Save £842 GBP (81%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £1,500 GBP at Brilliant Earth · As of October 16, 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 LG749568822 or 749568822. Listed at 27 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
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG749568822
Dimensions7.95 × 7.98 × 4.90 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm7.98 mm1.91 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG749568822
Side View
Table 55.0%Crown 34.2°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.5%

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: Nov 1
Current: £383 GBP|Low: £193 GBP|High: £1,037 GBP|Avg: £482 GBP|-0.4%
Retailer 1
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Retailer 22
November 1, 2026
Retailer 14£195 GBP
Retailer 17£217 GBP
Retailer 3£226 GBP
Retailer 7£242 GBP
Retailer 8£242 GBP
Retailer 19£373 GBP
Retailer 1£383 GBP
Retailer 9£402 GBP
Retailer 18£414 GBP
Retailer 22£415 GBP
Retailer 6£449 GBP
Retailer 12£461 GBP
Retailer 21£470 GBP
Retailer 5£513 GBP
Retailer 2£562 GBP
Retailer 11£642 GBP
Retailer 15£777 GBP
Retailer 13£815 GBP
Retailer 20£896 GBP
Retailer 16£951 GBP
Retailer 4£974 GBP
Retailer 10£1,037 GBP

28 data points across 22 retailers

27 retailers£195 GBP to £1,037 GBP

A
Cheapest Retailer
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£195 GBP
$261 USD
A
Retailer 2
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£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
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£226 GBP
$303 USD
View
A
Retailer 4
-
£242 GBP
$324 USD
View
Retailer 5
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£242 GBP
$324 USD
View
Price last confirmed 7 days ago
A
Retailer 6
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£373 GBP
$500 USD
View
A
Retailer 7
-
£383 GBP
View
B+
Retailer 8
-
£402 GBP
$539 USD
View
A
Retailer 9
-
£414 GBP
€528 EUR
View
A
Retailer 10
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£415 GBP
ZAR 8,990 ZAR
View
A
Retailer 11
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£449 GBP
$602 USD
View
A
Retailer 12
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£461 GBP
View
A
Retailer 13
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£470 GBP
A$968 AUD
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A
Retailer 14
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£513 GBP
$687 USD
View
A
Retailer 15
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£562 GBP
A$1,159 AUD
View
B+
Retailer 16
-
£642 GBP
$860 USD
View
Retailer 17
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£770 GBP
$1,032 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
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£777 GBP
$1,041 USD
View
B+
Retailer 19
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£787 GBP
$1,054 USD
View
B+
Retailer 20
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£815 GBP
$1,092 USD
View
Retailer 21
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£888 GBP
$1,190 USD
View
Price last confirmed 28 days ago
B
Retailer 22
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£896 GBP
A$1,848 AUD
View
B
Retailer 23
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£898 GBP
$1,203 USD
View
B
Retailer 24
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£951 GBP
$1,274 USD
View
B
Retailer 25
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£974 GBP
View
B
Retailer 26
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£1,037 GBP
$1,389 USD
View
Most Expensive
Brilliant Earth
16895745A · Oct 16
£1,500 GBP
$2,010 USD
View
Price last confirmed 16 days ago
26 more retailers have this diamond
Prices start from £195 GBPSave up to £842 GBP

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
£195 GBP