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Oval|Lab Grown|IGI

1.90ct F SI1 Oval Lab Grown Diamond

VG • F/SI1 • IGI LG847632631

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG847632631

Diamond specifications and retailer prices

From £337 GBP
$452 USD
As of November 1, 2026
Save £1,327 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,664 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.9ct lab-grown oval diamond

This 1.9ct lab-grown oval sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG847632631 or 847632631. Listed at 11 retailers as of October 31, 2026, with prices from £337 to £1,664, a £1,327 spread on the same certified stone. Brilliant Earth lists it at £1,664. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.90
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847632631
Dimensions10.42 × 6.87 × 4.19 mm
L/W Ratio1.52
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.42 mm6.87 mm1.90 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847632631
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.0%

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: Nov 1
Current: £1,664 GBP|Low: £337 GBP|High: £1,672 GBP|Avg: £750 GBP|-0.4%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10£337 GBP
Retailer 2£388 GBP
Retailer 6£418 GBP
Retailer 9£490 GBP
Retailer 4£538 GBP
Retailer 8£544 GBP
Retailer 7£889 GBP
Retailer 3£1,008 GBP
Retailer 11£1,195 GBP
Retailer 5£1,215 GBP
Brilliant Earth£1,664 GBP

12 data points across 11 retailers

11 retailers£337 GBP to £1,664 GBP

A
Cheapest Retailer
-
£337 GBP
$452 USD
Final sale: no returns
A
Retailer 2
-
£388 GBP
View
A
Retailer 3
-
£418 GBP
$560 USD
View
A
Retailer 4
-
£490 GBP
$657 USD
View
A
Retailer 5
-
£538 GBP
View
A
Retailer 6
-
£544 GBP
$729 USD
View
B
Retailer 7
-
£889 GBP
$1,191 USD
View
B
Retailer 8
-
£1,008 GBP
$1,350 USD
View
B
Retailer 9
-
£1,195 GBP
$1,601 USD
View
B
Retailer 10
-
£1,215 GBP
View
Most Expensive
B
Brilliant Earth
22346860A · Oct 31
£1,664 GBP
$2,230 USD
View
10 more retailers have this diamond
Prices start from £337 GBPSave up to £1,327 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 Oval
£337 GBP