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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG825657827

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825657827

Diamond specifications and retailer prices

From £372 GBP
$495 USD
As of October 29, 2026
Save £3,248 GBP (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,619 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825657827 or 825657827. Listed at 15 retailers as of October 29, 2026, with prices from £372 to £3,619, a £3,248 spread on the same certified stone. Do Amore Diamonds lists it at £3,619. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825657827
Dimensions7.96 × 8.01 × 4.88 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.96 mm8.01 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825657827
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A+
Exceptional
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: £3,619 GBP|Low: £372 GBP|High: £4,070 GBP|Avg: £1,355 GBP|-11.1%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 2£372 GBP
Retailer 11£373 GBP
Retailer 15£416 GBP
Retailer 17£461 GBP
Retailer 5£499 GBP
Retailer 16£647 GBP
Retailer 19£780 GBP
Retailer 13£781 GBP
Retailer 9£867 GBP
Retailer 8£1,177 GBP
Retailer 14£1,213 GBP
Retailer 4£1,251 GBP
Retailer 18£1,304 GBP
Retailer 10£1,879 GBP
Retailer 12£2,434 GBP
Retailer 3£2,471 GBP
Retailer 6£2,497 GBP
Retailer 7£3,199 GBP
Do Amore Diamonds£3,619 GBP

22 data points across 19 retailers

15 retailers£372 GBP to £3,619 GBP

A+
Cheapest Retailer
-
£372 GBP
$495 USD
A
Retailer 2
-
£416 GBP
$554 USD
View
A
Retailer 3
-
£461 GBP
$614 USD
View
Retailer 4
-
£499 GBP
$664 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£647 GBP
$862 USD
View
A
Retailer 6
-
£780 GBP
$1,039 USD
View
A
Retailer 7
-
£781 GBP
$1,040 USD
View
B+
Retailer 8
-
£1,213 GBP
$1,615 USD
View
B+
Retailer 9
-
£1,251 GBP
$1,665 USD
View
B+
Retailer 10
-
£1,304 GBP
$1,736 USD
View
B
Retailer 11
-
£2,434 GBP
View
B
Retailer 12
-
£2,471 GBP
$3,290 USD
View
B
Retailer 13
-
£2,497 GBP
$3,325 USD
View
B
Retailer 14
-
£3,199 GBP
$4,260 USD
View
Most Expensive
B
Do Amore Diamonds
27-CDB5F5957 · Oct 29
£3,619 GBP
$4,820 USD
View
14 more retailers have this diamond
Prices start from £372 GBPSave up to £3,248 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
£372 GBP