Oval|Lab Grown|IGI

1.51ct E SI2 Oval Lab Grown Diamond

VG • E/SI2 • IGI LG851602943

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG851602943

Diamond specifications and retailer prices

From $263 AUD
$185 USD
As of October 28, 2026
Save $1,107 AUD (81%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,370 AUD at MOH London · As of October 26, 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 SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG851602943 or 851602943. Listed at 6 retailers as of October 26, 2026, with prices from $263 to $1,370, a $1,107 spread on the same certified stone. MOH London lists it at $1,370. 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
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851602943
Dimensions9.44 × 6.49 × 3.94 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.44 mm6.49 mm1.51 ctE / SI2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851602943
Side View
Table 63.0%Crown 35.4°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.7%

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 28
Current: $1,370 AUD|Low: $263 AUD|High: $1,370 AUD|Avg: $672 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 6$263 AUD
Retailer 5$406 AUD
Retailer 2$518 AUD
Retailer 4$554 AUD
Retailer 3$994 AUD
MOH London$1,370 AUD

5 data points across 6 retailers

6 retailers$263 AUD to $1,370 AUD

A
Cheapest Retailer
-
$263 AUD
$185 USD
Final sale: no returns
B+
Retailer 2
-
$406 AUD
$285 USD
View
B+
Retailer 3
-
$518 AUD
£286 GBP
View
B+
Retailer 4
-
$554 AUD
$389 USD
View
B
Retailer 5
-
$994 AUD
$698 USD
View
Most Expensive
B
MOH London
LG851602943 · Oct 26
$1,370 AUD
£758 GBP
View
5 more retailers have this diamond
Prices start from $263 AUDSave up to $1,107 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
$263 AUD