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Cushion|Lab Grown|IGI

0.99ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG631470315

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG631470315

Diamond specifications and retailer prices

From HK$2,529 HKD
€307 EUR
As of October 29, 2026
Save HK$2,186 HKD (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$6,685 HKD at MOH London · As of October 21, 2026
View at MOH London

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG631470315 or 631470315. Listed at 6 retailers as of October 29, 2026, with a 86% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631470315
Dimensions5.98 × 5.74 × 3.73 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.98 mm5.74 mm0.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631470315
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 65.0%

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: HK$6,685 HKD|Low: HK$1,837 HKD|High: HK$6,725 HKD|Avg: HK$4,497 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 4HK$1,837 HKD
Retailer 2HK$2,529 HKD
Retailer 8HK$2,834 HKD
Retailer 3HK$3,539 HKD
Retailer 6HK$4,621 HKD
Retailer 5HK$4,824 HKD
Retailer 7HK$5,573 HKD
Retailer 9HK$6,406 HKD
MOH LondonHK$6,685 HKD

22 data points across 9 retailers

6 retailersHK$2,529 HKD to HK$4,715 HKD

A
Retailer 1
-
HK$1,837 HKD
£184 GBP
Price last confirmed 12 days ago
A
Retailer 2
-
HK$2,529 HKD
€307 EUR
View
A
Retailer 3
-
HK$3,539 HKD
A$694 AUD
View
B+
Retailer 4
-
HK$4,715 HKD
$601 USD
View
B+
Retailer 5
-
HK$4,824 HKD
SGD 831 SGD
View
Price last confirmed 16 days ago
Most Expensive
B
MOH London
LG631470315 · Oct 21
HK$6,685 HKD
£671 GBP
View
Price last confirmed 8 days ago
5 more retailers have this diamond
Prices start from HK$2,529 HKDSave up to HK$2,186 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.

A
0.99ct Cushion
HK$2,529 HKD