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Oval|Lab Grown|IGI

1.51ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG842630150

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG842630150

Diamond specifications and retailer prices

From £300 GBP
As of October 31, 2026
17 retailers carry this diamond
Most expensive: £853 GBP at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG842630150 or 842630150. Listed at 17 retailers as of October 31, 2026. 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

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle43.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630150
Dimensions8.78 × 6.28 × 4.26 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.78 mm6.28 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630150
Side View
Table 60.0%Crown 37.1°Girdle: MED-THKPavilion 43.2°Culet: NoneDepth 67.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £300 GBP|Low: £131 GBP|High: £882 GBP|Avg: £414 GBP
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 16£137 GBP
Retailer 9£152 GBP
Retailer 17£159 GBP
Retailer 13£170 GBP
Retailer 15£170 GBP
Retailer 10£219 GBP
Retailer 6£235 GBP
Retailer 1£300 GBP
Retailer 11£306 GBP
Retailer 8£335 GBP
Retailer 4£364 GBP
Retailer 14£547 GBP
Retailer 3£578 GBP
Retailer 5£587 GBP
Retailer 2£680 GBP
Retailer 7£770 GBP
Retailer 12£796 GBP
Reve Diamonds£853 GBP

26 data points across 18 retailers

17 retailers

Retailer 1
-
£137 GBP
Price last confirmed 11 days ago
Retailer 2
-
£159 GBP
View
Price last confirmed 10 days ago
Retailer 3
-
£170 GBP
View
Price last confirmed 12 days ago
Retailer 4
-
£170 GBP
View
Price last confirmed 12 days ago
Retailer 5
-
£219 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£235 GBP
View
Price last confirmed 9 days ago
A
Retailer 7
-
£300 GBP
View
Retailer 8
-
£306 GBP
View
Price last confirmed 9 days ago
Retailer 9
-
£335 GBP
View
Price last confirmed 10 days ago
Retailer 10
-
£364 GBP
View
Price last confirmed 8 days ago
Retailer 11
-
£547 GBP
View
Price last confirmed 9 days ago
Retailer 12
-
£578 GBP
View
Price last confirmed 11 days ago
Retailer 13
-
£587 GBP
View
Price last confirmed 9 days ago
Retailer 14
-
£680 GBP
View
Price last confirmed 16 days ago
Retailer 15
-
£770 GBP
View
Price last confirmed 8 days ago
Retailer 16
-
£796 GBP
View
Price last confirmed 11 days ago
Most Expensive
Reve Diamonds
3A1441287 · Oct 28
£853 GBP
$1,141 USD
View
Price last confirmed 9 days ago
16 more retailers have this diamond
Prices start from £300 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
1.51ct Oval
£300 GBP