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Oval|Lab Grown|IGI

1.91ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG530203619

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG530203619

Diamond specifications and retailer prices

From $650 AUD
$457 USD
As of October 28, 2026
Save $875 AUD (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,526 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.91ct lab-grown oval diamond

This 1.91ct 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 LG530203619 or 530203619. Listed at 4 retailers as of October 26, 2026, with prices from $650 to $1,526, a $875 spread on the same certified stone. MOH London lists it at $1,526. 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

1.91
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530203619
Dimensions9.78 × 7.14 × 4.39 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process.
Top View
9.78 mm7.14 mm1.91 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530203619
Side View
Table 60.5%Crown 35.7°Girdle: THN-MEDPavilion 40.1°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $1,526 AUD|Low: $512 AUD|High: $1,542 AUD|Avg: $953 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$650 AUD
Retailer 2$703 AUD
Retailer 4$971 AUD
MOH London$1,526 AUD

33 data points across 4 retailers

4 retailers$650 AUD to $1,526 AUD

B+
Cheapest Retailer
-
$650 AUD
$457 USD
A
Retailer 2
-
$703 AUD
£389 GBP
View
B+
Retailer 3
-
$971 AUD
$682 USD
View
Most Expensive
B
MOH London
LG530203619 · Oct 26
$1,526 AUD
£844 GBP
View
3 more retailers have this diamond
Prices start from $650 AUDSave up to $875 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
1.91ct Oval
$650 AUD