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Round|Lab Grown|IGI

1.90ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG719550856

Shape and cutting style on the report: Round brilliant

Certificate IGI LG719550856

Diamond specifications and retailer prices

From £515 GBP
$686 USD
As of October 28, 2026
Save £1,456 GBP (74%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,031 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.9ct lab-grown round diamond

This 1.9ct 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 LG719550856 or 719550856. Listed at 11 retailers as of October 25, 2026, with a 283% 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

1.90
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719550856
Dimensions7.89 × 7.93 × 4.92 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
7.89 mm7.93 mm1.90 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719550856
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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: Oct 28
Current: £1,971 GBP|Low: £515 GBP|High: £2,125 GBP|Avg: £1,098 GBP|+2.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5£515 GBP
Retailer 4£580 GBP
Retailer 9£596 GBP
Retailer 2£704 GBP
Retailer 7£793 GBP
Retailer 6£1,486 GBP
Retailer 8£1,487 GBP
Retailer 3£1,579 GBP
Rare Carat£1,971 GBP

34 data points across 9 retailers

11 retailers£515 GBP to £1,971 GBP

A
Cheapest Retailer
-
£515 GBP
$686 USD
A
Retailer 2
-
£580 GBP
$773 USD
View
Retailer 3
-
£596 GBP
HK$6,200 HKD
View
Price last confirmed 55 days ago
A
Retailer 4
-
£704 GBP
View
A
Retailer 5
-
£793 GBP
$1,056 USD
View
B+
Retailer 6
-
£1,486 GBP
$1,979 USD
View
Retailer 7
-
£1,487 GBP
A$3,047 AUD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
£1,579 GBP
View
B+
Retailer 9
-
£1,866 GBP
$2,485 USD
View
B
Retailer 10
-
£1,971 GBP
$2,625 USD
View
Most Expensive
Rare Carat
ARI-JY0027_l_754561305 · Oct 18
£2,031 GBP
$2,705 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from £515 GBPSave up to £1,456 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
1.90ct Round
£515 GBP