CaratHunter
Plans
Cushion|Lab Grown|IGI

1.23ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG850629776

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG850629776

Diamond specifications and retailer prices

From HK$4,098 HKD
£411 GBP
As of November 1, 2026
1 retailer carries this diamond
Only listing: HK$4,098 HKD at 77 Diamonds
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 77 Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG850629776 or 850629776. Listed at a single retailer as of November 1, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850629776
Dimensions6.25 × 6.21 × 4.16 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
6.25 mm6.21 mm1.23 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850629776
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 67.0%

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: Nov 1
Current: HK$4,098 HKD|Low: HK$4,098 HKD|High: HK$4,132 HKD|Avg: HK$4,115 HKD|-0.2%
November 1, 2026
77 DiamondsHK$4,098 HKD

4 data points across 1 retailer

1 retailer

B+
77 Diamonds
CUSTVSC6UZVGHY · Nov 1
HK$4,098 HKD
£411 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+
1.23ct Cushion
HK$4,098 HKD