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Oval|Lab Grown|IGI

1.51ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG839647857

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG839647857

Diamond specifications and retailer prices

From $316 AUD
As of November 6, 2026
Save $1,320 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,636 AUD at MOH London · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG839647857 or 839647857. Listed at 11 retailers as of November 5, 2026, with prices from $316 to $1,636, a $1,320 spread on the same certified stone. MOH London lists it at $1,636. 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 angle36.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647857
Dimensions9.46 × 6.28 × 3.87 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.46 mm6.28 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647857
Side View
Table 56.0%Crown 36.5°Girdle: MED-THKPavilion 38.4°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,636 AUD|Low: $316 AUD|High: $1,636 AUD|Avg: $788 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5$316 AUD
Retailer 9$390 AUD
Retailer 3$445 AUD
Retailer 2$573 AUD
Retailer 6$614 AUD
Retailer 4$632 AUD
Retailer 7$902 AUD
Retailer 10$1,142 AUD
Retailer 8$1,317 AUD
MOH London$1,636 AUD

7 data points across 10 retailers

11 retailers$316 AUD to $1,636 AUD

A
Cheapest Retailer
-
$316 AUD
Final sale: no returns
A
Retailer 2
-
$390 AUD
View
A
Retailer 3
-
$445 AUD
View
A
Retailer 4
-
$573 AUD
View
B+
Retailer 5
-
$614 AUD
View
A
Retailer 6
-
$632 AUD
View
B+
Retailer 7
-
$902 AUD
View
B
Retailer 8
-
$1,142 AUD
View
Retailer 9
-
$1,317 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$1,528 AUD
View
Most Expensive
B
MOH London
LG839647857 · Nov 5
$1,636 AUD
£885 GBP
View
10 more retailers have this diamond
Prices start from $316 AUDSave up to $1,320 AUD

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
$316 AUD