Round|Lab Grown|IGI

0.99ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG823627005

Shape and cutting style on the report: Round brilliant

Certificate IGI LG823627005

Diamond specifications and retailer prices

From $148 USD
As of October 27, 2026
Save $1,227 USD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,375 USD at MOH London · As of October 26, 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 very-good cut grade and certified by IGI LG823627005 or 823627005. Listed at 16 retailers as of October 26, 2026, with prices from $148 to $1,375, a $1,227 spread on the same certified stone. MOH London lists it at $1,375. 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

0.99
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823627005
Dimensions6.52 × 6.45 × 3.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.52 mm6.45 mm0.99 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823627005
Side View
Table 63.0%Crown 32.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.2%

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 27
Current: $1,375 USD|Low: $148 USD|High: $1,406 USD|Avg: $455 USD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 8$148 USD
Retailer 4$275 USD
Retailer 2$284 USD
Retailer 3$308 USD
Retailer 6$311 USD
Retailer 10$313 USD
Retailer 5$375 USD
Retailer 7$407 USD
Retailer 9$710 USD
MOH London$1,375 USD

41 data points across 10 retailers

16 retailers$148 USD to $1,375 USD

Retailer 1
-
$133 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$148 USD
View
Final sale: no returns
Retailer 3
-
$154 USD
View
Price last confirmed 16 days ago
Retailer 4
-
$165 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$192 USD
HK$1,500 HKD
View
A
Retailer 6
-
$275 USD
£217 GBP
View
A
Retailer 7
-
$284 USD
€270 EUR
View
A
Retailer 8
-
$308 USD
£242 GBP
View
B+
Retailer 9
-
$311 USD
View
B+
Retailer 10
-
$313 USD
View
Retailer 11
-
$375 USD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$407 USD
View
Retailer 13
-
$529 USD
View
Price last confirmed 26 days ago
B
Retailer 14
-
$710 USD
View
Retailer 15
-
$740 USD
View
Price last confirmed 39 days ago
Most Expensive
B
MOH London
LG823627005 · Oct 26
$1,375 USD
£1,083 GBP
View
15 more retailers have this diamond
Prices start from $148 USDSave up to $1,227 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
$148 USD