CaratHunter
Plans
Round|Lab Grown|IGI

0.90ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG528242321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528242321

Diamond specifications and retailer prices

From HK$4,590 HKD
£461 GBP
As of October 30, 2026
2 retailers carry this diamond
Only listing: HK$4,590 HKD at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

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 LG528242321 or 528242321. Listed at 2 retailers as of October 30, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528242321
Dimensions6.25 × 6.21 × 3.80 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
6.25 mm6.21 mm0.90 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528242321
Side View
Table 57.0%Crown 34.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$4,590 HKD|Low: HK$1,406 HKD|High: HK$52,709 HKD|Avg: HK$6,835 HKD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
March 29, 2026
Retailer 9HK$1,406 HKD
Retailer 7HK$1,915 HKD
Retailer 2HK$2,258 HKD
Retailer 10HK$2,750 HKD
Retailer 5HK$3,139 HKD
Retailer 4HK$3,390 HKD
Retailer 6HK$3,468 HKD
Retailer 3HK$3,925 HKD
Diamond QuarterHK$4,590 HKD
Retailer 8HK$52,709 HKD

45 data points across 10 retailers

2 retailers

B
Diamond Quarter
0.9SI1ELG55E65FN · Oct 30
HK$4,590 HKD
£461 GBP
View

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
0.90ct Round
HK$4,590 HKD