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Round|Lab Grown|IGI

0.99ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG724523300

Shape and cutting style on the report: Round brilliant

Certificate IGI LG724523300

Diamond specifications and retailer prices

From $310 AUD
HK$1,700 HKD
As of October 29, 2026
Save $977 AUD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,287 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.99ct lab-grown round diamond

This 0.99ct 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 LG724523300 or 724523300. Listed at 15 retailers as of October 29, 2026, with prices from $310 to $1,287, a $977 spread on the same certified stone. MOH London lists it at $1,287. 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

0.99
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724523300
Dimensions6.41 × 6.47 × 3.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.41 mm6.47 mm0.99 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724523300
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,287 AUD|Low: $370 AUD|High: $1,294 AUD|Avg: $619 AUD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$370 AUD
Retailer 2$476 AUD
Retailer 3$480 AUD
Retailer 4$548 AUD
Retailer 6$619 AUD
MOH London$1,287 AUD

38 data points across 6 retailers

15 retailers$310 AUD to $1,287 AUD

A
Cheapest Retailer
-
$310 AUD
HK$1,700 HKD
B+
Retailer 2
-
$370 AUD
$260 USD
View
A
Retailer 3
-
$446 AUD
$313 USD
View
A
Retailer 4
-
$476 AUD
£263 GBP
View
A
Retailer 5
-
$480 AUD
€321 EUR
View
B+
Retailer 6
-
$548 AUD
$385 USD
View
Retailer 7
-
$548 AUD
$385 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$548 AUD
$385 USD
View
B+
Retailer 9
-
$548 AUD
$385 USD
View
B+
Retailer 10
-
$548 AUD
$385 USD
View
B+
Retailer 11
-
$548 AUD
$385 USD
View
B+
Retailer 12
-
$548 AUD
$385 USD
View
B+
Retailer 13
-
$548 AUD
$385 USD
View
B+
Retailer 14
-
$619 AUD
$435 USD
View
Most Expensive
B
MOH London
LG724523300 · Oct 29
$1,287 AUD
£712 GBP
View
14 more retailers have this diamond
Prices start from $310 AUDSave up to $977 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
0.99ct Round
$310 AUD