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Cushion|Lab Grown|IGI

3.06ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG678501299

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678501299

Diamond specifications and retailer prices

From HK$5,615 HKD
£563 GBP
As of October 29, 2026
Save HK$36,206 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$41,821 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678501299 or 678501299. Listed at 13 retailers as of October 28, 2026, with prices from HK$5,615 to HK$41,821, a HK$36,206 spread on the same certified stone. Brilliant Earth lists it at HK$41,821. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.06
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501299
Dimensions8.44 × 8.27 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm8.27 mm3.06 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501299
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.4%

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$41,821 HKD|Low: HK$4,669 HKD|High: HK$43,155 HKD|Avg: HK$13,239 HKD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 11HK$4,669 HKD
Retailer 8HK$5,615 HKD
Retailer 9HK$6,513 HKD
Retailer 6HK$6,748 HKD
Retailer 4HK$7,281 HKD
Retailer 12HK$7,580 HKD
Retailer 2HK$7,723 HKD
Retailer 13HK$9,533 HKD
Retailer 3HK$15,222 HKD
Retailer 7HK$17,229 HKD
Retailer 5HK$17,458 HKD
Retailer 10HK$18,400 HKD
Brilliant EarthHK$41,821 HKD

33 data points across 13 retailers

13 retailersHK$5,615 HKD to HK$41,821 HKD

Retailer 1
-
HK$4,669 HKD
$595 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$5,615 HKD
£563 GBP
View
A
Retailer 3
-
HK$6,513 HKD
$830 USD
View
A
Retailer 4
-
HK$6,748 HKD
€819 EUR
View
A
Retailer 5
-
HK$7,281 HKD
$928 USD
View
A
Retailer 6
-
HK$7,580 HKD
$966 USD
View
A
Retailer 7
-
HK$7,723 HKD
£775 GBP
View
A
Retailer 8
-
HK$9,533 HKD
$1,215 USD
View
Retailer 9
-
HK$15,222 HKD
$1,940 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
HK$17,229 HKD
£1,729 GBP
View
B
Retailer 11
-
HK$17,458 HKD
$2,225 USD
View
Retailer 12
-
HK$18,400 HKD
$2,345 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
13025659A · Oct 28
HK$41,821 HKD
$5,330 USD
View
12 more retailers have this diamond
Prices start from HK$5,615 HKDSave up to HK$36,206 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
3.06ct Cushion
HK$5,615 HKD