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Oval|Lab Grown|IGI

1.51ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG839682997

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839682997

Diamond specifications and retailer prices

From £216 GBP
$290 USD
As of October 29, 2026
Save £866 GBP (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,082 GBP at MOH London · As of October 29, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839682997 or 839682997. Listed at 10 retailers as of October 29, 2026, with prices from £216 to £1,082, a £866 spread on the same certified stone. MOH London lists it at £1,082. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839682997
Dimensions9.54 × 6.34 × 4.02 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.54 mm6.34 mm1.51 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839682997
Side View
Table 62.0%Crown 32.2°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 63.4%

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 29
Current: £1,082 GBP|Low: £269 GBP|High: £1,082 GBP|Avg: £533 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4£269 GBP
Retailer 2£300 GBP
Retailer 6£384 GBP
Retailer 7£391 GBP
Retailer 8£441 GBP
Retailer 3£475 GBP
Retailer 5£825 GBP
MOH London£1,082 GBP

10 data points across 8 retailers

10 retailers£216 GBP to £1,082 GBP

A
Cheapest Retailer
-
£216 GBP
$290 USD
A
Retailer 2
-
£269 GBP
$360 USD
View
A
Retailer 3
-
£269 GBP
$360 USD
View
A
Retailer 4
-
£300 GBP
View
B+
Retailer 5
-
£384 GBP
$515 USD
View
B+
Retailer 6
-
£391 GBP
$524 USD
View
B+
Retailer 7
-
£441 GBP
$591 USD
View
B+
Retailer 8
-
£475 GBP
View
B
Retailer 9
-
£825 GBP
$1,106 USD
View
Most Expensive
B
MOH London
LG839682997 · Oct 29
£1,082 GBP
View
9 more retailers have this diamond
Prices start from £216 GBPSave up to £866 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
£216 GBP