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Round|Lab Grown|IGI

0.90ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG497178855

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497178855

Diamond specifications and retailer prices

From $259 AUD
$182 USD
As of October 28, 2026
Save $988 AUD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,247 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497178855 or 497178855. Listed at 8 retailers as of October 28, 2026, with prices from $259 to $1,247, a $988 spread on the same certified stone. MOH London lists it at $1,247. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.90
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497178855
Dimensions6.15 × 6.10 × 3.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.15 mm6.10 mm0.90 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497178855
Side View
Table 60.0%Crown 35.2°Girdle: ThickPavilion 41.4°Culet: NoneDepth 62.5%

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: $1,247 AUD|Low: $188 AUD|High: $1,358 AUD|Avg: $626 AUD|-8.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$259 AUD
Retailer 3$411 AUD
Retailer 2$460 AUD
Retailer 6$487 AUD
Retailer 9$542 AUD
Retailer 4$562 AUD
Retailer 5$713 AUD
Retailer 7$932 AUD
MOH London$1,247 AUD

38 data points across 9 retailers

8 retailers$259 AUD to $1,247 AUD

A
Cheapest Retailer
-
$259 AUD
$182 USD
Final sale: no returns
A
Retailer 2
-
$411 AUD
$289 USD
View
A
Retailer 3
-
$460 AUD
£254 GBP
View
A
Retailer 4
-
$487 AUD
$342 USD
View
B+
Retailer 5
-
$562 AUD
$395 USD
View
B+
Retailer 6
-
$713 AUD
$501 USD
View
B
Retailer 7
-
$932 AUD
$655 USD
View
Most Expensive
B
MOH London
LG497178855 · Oct 29
$1,247 AUD
£690 GBP
View
7 more retailers have this diamond
Prices start from $259 AUDSave up to $988 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
0.90ct Round
$259 AUD