CaratHunter
Plans
Round|Lab Grown|IGI

1.91ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG809661925

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809661925

Diamond specifications and retailer prices

From £318 GBP
$424 USD
As of October 28, 2026
Save £2,918 GBP (90%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: £3,237 GBP 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 LG809661925 or 809661925. Listed at 27 retailers as of October 28, 2026, with prices from £318 to £3,237, a £2,918 spread on the same certified stone. Brilliant Earth lists it at £3,237. 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 angle34.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809661925
Dimensions8.01 × 7.98 × 4.84 mm
L/W Ratio1.00
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
8.01 mm7.98 mm1.91 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809661925
Side View
Table 60.0%Crown 34.8°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.5%

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: Oct 28
Current: £3,237 GBP|Low: £318 GBP|High: £3,237 GBP|Avg: £997 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5£318 GBP
Retailer 15£497 GBP
Retailer 18£503 GBP
Retailer 13£533 GBP
Retailer 11£567 GBP
Retailer 8£605 GBP
Retailer 14£606 GBP
Retailer 17£633 GBP
Retailer 6£809 GBP
Retailer 2£819 GBP
Retailer 10£1,003 GBP
Retailer 3£1,015 GBP
Retailer 7£1,163 GBP
Retailer 4£1,322 GBP
Retailer 16£1,325 GBP
Retailer 12£1,386 GBP
Retailer 9£1,937 GBP
Brilliant Earth£3,237 GBP

30 data points across 18 retailers

27 retailers£318 GBP to £3,237 GBP

A
Retailer 1
-
£288 GBP
$384 USD
Price last confirmed 19 days ago
A
Retailer 2
-
£300 GBP
$400 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
£318 GBP
$424 USD
View
Final sale: no returns
A
Retailer 4
-
£336 GBP
$448 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
£357 GBP
$476 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
£357 GBP
$476 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
£367 GBP
$489 USD
View
Price last confirmed 33 days ago
A
Retailer 8
-
£497 GBP
$662 USD
View
A
Retailer 9
-
£503 GBP
$670 USD
View
A
Retailer 10
-
£533 GBP
View
A
Retailer 11
-
£567 GBP
€719 EUR
View
A
Retailer 12
-
£605 GBP
$806 USD
View
A
Retailer 13
-
£606 GBP
ZAR 13,045 ZAR
View
A
Retailer 14
-
£633 GBP
View
A
Retailer 15
-
£809 GBP
$1,077 USD
View
A
Retailer 16
-
£819 GBP
A$1,678 AUD
View
B+
Retailer 17
-
£1,003 GBP
$1,336 USD
View
B+
Retailer 18
-
£1,015 GBP
$1,352 USD
View
B+
Retailer 19
-
£1,150 GBP
$1,531 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
£1,163 GBP
$1,549 USD
View
B+
Retailer 21
-
£1,196 GBP
$1,593 USD
View
Price last confirmed 38 days ago
B+
Retailer 22
-
£1,232 GBP
$1,640 USD
View
B+
Retailer 23
-
£1,322 GBP
$1,760 USD
View
B+
Retailer 24
-
£1,325 GBP
$1,765 USD
View
B+
Retailer 25
-
£1,386 GBP
View
B+
Retailer 26
-
£1,937 GBP
$2,580 USD
View
Most Expensive
B
Brilliant Earth
20436430A · Oct 29
£3,237 GBP
$4,310 USD
View
26 more retailers have this diamond
Prices start from £318 GBPSave up to £2,918 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
£318 GBP