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Round|Lab Grown|IGI

1.91ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG726535825

Shape and cutting style on the report: Round brilliant

Certificate IGI LG726535825

Diamond specifications and retailer prices

From £194 GBP
$261 USD
As of November 1, 2026
Save £879 GBP (82%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: £1,073 GBP 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726535825 or 726535825. Listed at 26 retailers as of October 31, 2026, with prices from £194 to £1,073, a £879 spread on the same certified stone. Brilliant Earth lists it at £1,073. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726535825
Dimensions8.07 × 8.09 × 4.74 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
8.07 mm8.09 mm1.91 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726535825
Side View
Table 61.0%Crown 32.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 58.7%

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: £1,073 GBP|Low: £193 GBP|High: £1,073 GBP|Avg: £511 GBP
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14£194 GBP
Retailer 18£217 GBP
Retailer 3£226 GBP
Retailer 7£241 GBP
Retailer 8£241 GBP
Retailer 5£361 GBP
Retailer 2£383 GBP
Retailer 9£402 GBP
Retailer 13£415 GBP
Retailer 17£416 GBP
Retailer 6£449 GBP
Retailer 16£460 GBP
Retailer 21£469 GBP
Retailer 4£512 GBP
Retailer 22£561 GBP
Retailer 11£641 GBP
Retailer 15£776 GBP
Retailer 12£814 GBP
Retailer 20£949 GBP
Retailer 19£967 GBP
Retailer 10£1,035 GBP
Brilliant Earth£1,073 GBP

27 data points across 22 retailers

26 retailers£194 GBP to £1,073 GBP

A
Cheapest Retailer
-
£194 GBP
$261 USD
A
Retailer 2
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
-
£226 GBP
$303 USD
View
A
Retailer 4
-
£241 GBP
$324 USD
View
Retailer 5
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£241 GBP
$324 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£361 GBP
$485 USD
View
A
Retailer 7
-
£383 GBP
View
B+
Retailer 8
-
£402 GBP
$539 USD
View
A
Retailer 9
-
£415 GBP
€531 EUR
View
A
Retailer 10
-
£416 GBP
ZAR 9,021 ZAR
View
A
Retailer 11
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£449 GBP
$602 USD
View
A
Retailer 12
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£460 GBP
View
A
Retailer 13
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£469 GBP
A$968 AUD
View
B+
Retailer 14
-
£512 GBP
$687 USD
View
B+
Retailer 15
-
£561 GBP
A$1,159 AUD
View
B+
Retailer 16
-
£641 GBP
$860 USD
View
Retailer 17
-
£769 GBP
$1,032 USD
View
Price last confirmed 42 days ago
B+
Retailer 18
-
£776 GBP
$1,041 USD
View
B+
Retailer 19
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£785 GBP
$1,054 USD
View
B
Retailer 20
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£814 GBP
$1,092 USD
View
Retailer 21
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£887 GBP
$1,190 USD
View
Price last confirmed 29 days ago
B
Retailer 22
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£896 GBP
$1,203 USD
View
B
Retailer 23
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£949 GBP
$1,274 USD
View
B
Retailer 24
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£967 GBP
View
B
Retailer 25
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£1,035 GBP
$1,389 USD
View
Most Expensive
B
Brilliant Earth
17002486A · Oct 31
£1,073 GBP
$1,440 USD
View
25 more retailers have this diamond
Prices start from £194 GBPSave up to £879 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
£194 GBP