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Round|Lab Grown|IGI

0.99ct E SI1 Round Lab Grown Diamond

GD • E/SI1 • IGI LG619440857

Shape and cutting style on the report: Round brilliant

Certificate IGI LG619440857

Diamond specifications and retailer prices

From HK$2,344 HKD
£235 GBP
As of October 30, 2026
Save HK$4,102 HKD (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$6,447 HKD 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 standard cut grade and certified by IGI LG619440857 or 619440857. Listed at 16 retailers as of October 29, 2026, with prices from HK$2,344 to HK$6,447, a HK$4,102 spread on the same certified stone. MOH London lists it at HK$6,447. 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
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle37.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG619440857
Dimensions6.27 × 6.24 × 3.96 mm
L/W Ratio1.00
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
6.27 mm6.24 mm0.99 ctE / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG619440857
Side View
Table 55.0%Crown 37.7°Girdle: STK-THKPavilion 39.6°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$6,447 HKD|Low: HK$2,081 HKD|High: HK$11,080 HKD|Avg: HK$3,624 HKD|-41.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 3HK$2,344 HKD
Retailer 5HK$2,405 HKD
Retailer 6HK$2,409 HKD
Retailer 9HK$2,558 HKD
Retailer 2HK$2,566 HKD
Retailer 7HK$3,021 HKD
Retailer 8HK$3,287 HKD
Retailer 4HK$4,660 HKD
Retailer 10HK$5,570 HKD
MOH LondonHK$6,447 HKD

42 data points across 10 retailers

16 retailersHK$2,344 HKD to HK$6,447 HKD

Retailer 1
-
HK$1,012 HKD
$129 USD
Price last confirmed 29 days ago
Retailer 2
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 28 days ago
Retailer 3
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 21 days ago
Retailer 4
-
HK$1,310 HKD
$167 USD
View
Price last confirmed 28 days ago
Retailer 5
-
HK$1,310 HKD
$167 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
HK$2,344 HKD
£235 GBP
View
B+
Retailer 7
-
HK$2,409 HKD
$307 USD
View
B+
Retailer 8
-
HK$2,558 HKD
$326 USD
View
B+
Retailer 9
-
HK$2,566 HKD
£258 GBP
View
Retailer 10
-
HK$3,021 HKD
$385 USD
View
Price last confirmed 12 days ago
Retailer 11
-
HK$3,099 HKD
$395 USD
View
Price last confirmed 23 days ago
B+
Retailer 12
-
HK$3,287 HKD
$419 USD
View
Retailer 13
-
HK$4,213 HKD
$537 USD
View
Price last confirmed 39 days ago
B
Retailer 14
-
HK$4,660 HKD
$594 USD
View
Retailer 15
-
HK$5,570 HKD
$710 USD
View
Price last confirmed 12 days ago
Most Expensive
C
MOH London
LG619440857 · Oct 29
HK$6,447 HKD
£647 GBP
View
15 more retailers have this diamond
Prices start from HK$2,344 HKDSave up to HK$4,102 HKD

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.

B+
0.99ct Round
HK$2,344 HKD