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 $218 USD
HK$1,700 HKD
As of October 29, 2026
Save $687 USD (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $904 USD 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 $218 to $904, a $687 spread on the same certified stone. MOH London lists it at $904. 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
Color
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: $904 USD|Low: $260 USD|High: $909 USD|Avg: $435 USD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 29, 2026
Retailer 5$260 USD
Retailer 2$335 USD
Retailer 3$337 USD
Retailer 4$385 USD
Retailer 6$435 USD
MOH London$904 USD

38 data points across 6 retailers

15 retailers$218 USD to $904 USD

A
Cheapest Retailer
-
$218 USD
HK$1,700 HKD
B+
Retailer 2
-
$260 USD
View
A
Retailer 3
-
$313 USD
View
A
Retailer 4
-
$335 USD
£263 GBP
View
A
Retailer 5
-
$337 USD
€321 EUR
View
B+
Retailer 6
-
$385 USD
View
Retailer 7
-
$385 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$385 USD
View
B+
Retailer 9
-
$385 USD
View
B+
Retailer 10
-
$385 USD
View
B+
Retailer 11
-
$385 USD
View
B+
Retailer 12
-
$385 USD
View
B+
Retailer 13
-
$385 USD
View
B+
Retailer 14
-
$435 USD
View
Most Expensive
B
MOH London
LG724523300 · Oct 29
$904 USD
£712 GBP
View
14 more retailers have this diamond
Prices start from $218 USDSave up to $687 USD

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
$218 USD