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Oval|Lab Grown|IGI

0.77ct E SI1 Oval Lab Grown Diamond

E/SI1 • IGI LG445052490

Certificate IGI LG445052490

Diamond specifications and retailer prices

From £436 GBP
$580 USD
As of October 28, 2026
Save £263 GBP (38%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £698 GBP at Jared · As of October 28, 2026
View at Jared

About this 0.77ct lab-grown oval diamond

This 0.77ct lab-grown oval sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included) and certified by IGI LG445052490 or 445052490. Listed at 3 retailers as of October 28, 2026, with prices from £436 to £698, a £263 spread on the same certified stone. Jared lists it at £698. 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

0.77
Carat
E
Colour
SI1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG445052490
Dimensions7.38 × 5.29 mm
L/W Ratio1.40
Top View
7.38 mm5.29 mm0.77 ctE / SI1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445052490
Side View
Table 59.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 60.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £698 GBP|Low: £436 GBP|High: £698 GBP|Avg: £492 GBP|+36.8%
Jared
Retailer 2
Retailer 3
September 28, 2026
Retailer 2£436 GBP
Retailer 3£436 GBP
Jared£698 GBP

2 data points across 3 retailers

3 retailers£436 GBP to £698 GBP

B
Cheapest Retailer
-
£436 GBP
$580 USD
B
Retailer 2
-
£436 GBP
$580 USD
View
Most Expensive
C
Jared
116675783 · Oct 28
£698 GBP
$930 USD
View
2 more retailers have this diamond
Prices start from £436 GBPSave up to £263 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.

B
0.77ct Oval
£436 GBP