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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 $413 AUD
$290 USD
As of October 29, 2026
Save $1,652 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,065 AUD 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 $413 to $2,065, a $1,652 spread on the same certified stone. MOH London lists it at $2,065. 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: $2,065 AUD|Low: $512 AUD|High: $2,065 AUD|Avg: $1,014 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4$512 AUD
Retailer 3$572 AUD
Retailer 6$733 AUD
Retailer 7$746 AUD
Retailer 8$841 AUD
Retailer 2$906 AUD
Retailer 5$1,575 AUD
MOH London$2,065 AUD

11 data points across 8 retailers

10 retailers$413 AUD to $2,065 AUD

A
Cheapest Retailer
-
$413 AUD
$290 USD
A
Retailer 2
-
$512 AUD
$360 USD
View
A
Retailer 3
-
$512 AUD
$360 USD
View
A
Retailer 4
-
$572 AUD
£316 GBP
View
B+
Retailer 5
-
$733 AUD
$515 USD
View
B+
Retailer 6
-
$746 AUD
$524 USD
View
B+
Retailer 7
-
$841 AUD
$591 USD
View
B+
Retailer 8
-
$906 AUD
£501 GBP
View
B
Retailer 9
-
$1,575 AUD
$1,106 USD
View
Most Expensive
B
MOH London
LG839682997 · Oct 29
$2,065 AUD
£1,142 GBP
View
9 more retailers have this diamond
Prices start from $413 AUDSave up to $1,652 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
$413 AUD