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Oval|Lab Grown|IGI

1.51ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG838601057

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG838601057

Diamond specifications and retailer prices

From $643 AUD
As of November 4, 2026
Save $1,094 AUD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,737 AUD at MOH London · As of November 2, 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 LG838601057 or 838601057. Listed at 7 retailers as of November 2, 2026, with prices from $643 to $1,737, a $1,094 spread on the same certified stone. MOH London lists it at $1,737. 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 angle36.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838601057
Dimensions8.98 × 6.43 × 4.07 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
8.98 mm6.43 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838601057
Side View
Table 61.0%Crown 36.8°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.3%

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 4
Current: $1,737 AUD|Low: $643 AUD|High: $1,747 AUD|Avg: $1,040 AUD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 7$643 AUD
Retailer 3$665 AUD
Retailer 2$677 AUD
Retailer 5$853 AUD
Retailer 6$1,271 AUD
Retailer 4$1,354 AUD
MOH London$1,737 AUD

17 data points across 7 retailers

7 retailers$643 AUD to $1,737 AUD

B+
Cheapest Retailer
-
$643 AUD
A
Retailer 2
-
$665 AUD
View
A
Retailer 3
-
$677 AUD
View
B+
Retailer 4
-
$853 AUD
View
B
Retailer 5
-
$1,271 AUD
View
Retailer 6
-
$1,354 AUD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG838601057 · Nov 2
$1,737 AUD
£940 GBP
View
6 more retailers have this diamond
Prices start from $643 AUDSave up to $1,094 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
$643 AUD