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Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG812621046

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

Certificate IGI LG812621046

Diamond specifications and retailer prices

From HK$11,345 HKD
$1,446 USD
As of October 29, 2026
Save HK$45,223 HKD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$56,567 HKD at Brilliant Earth · As of October 29, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812621046 or 812621046. Listed at 18 retailers as of October 29, 2026, with prices from HK$11,345 to HK$56,567, a HK$45,223 spread on the same certified stone. Brilliant Earth lists it at HK$56,567. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621046
Dimensions8.66 × 8.55 × 5.49 mm
L/W Ratio1.01
Girdle conditionFaceted
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
8.66 mm8.55 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621046
Side View
Table 64.0%Crown 33.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 64.2%

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$56,567 HKD|Low: HK$11,345 HKD|High: HK$58,294 HKD|Avg: HK$28,835 HKD|-3.0%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 4HK$11,345 HKD
Retailer 10HK$12,224 HKD
Retailer 18HK$12,553 HKD
Retailer 11HK$16,576 HKD
Retailer 7HK$17,692 HKD
Retailer 13HK$18,881 HKD
Retailer 2HK$20,344 HKD
Retailer 16HK$24,290 HKD
Retailer 12HK$27,310 HKD
Retailer 8HK$27,574 HKD
Retailer 17HK$28,457 HKD
Retailer 5HK$30,439 HKD
Retailer 3HK$32,324 HKD
Retailer 15HK$36,712 HKD
Retailer 14HK$37,993 HKD
Retailer 6HK$41,290 HKD
Retailer 9HK$44,289 HKD
Brilliant EarthHK$56,567 HKD

36 data points across 18 retailers

18 retailersHK$11,345 HKD to HK$56,567 HKD

A
Cheapest Retailer
-
HK$11,345 HKD
$1,446 USD
Final sale: no returns
Retailer 2
-
HK$12,224 HKD
$1,558 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
HK$12,553 HKD
$1,600 USD
View
A
Retailer 4
-
HK$16,576 HKD
£1,664 GBP
View
A
Retailer 5
-
HK$17,692 HKD
$2,255 USD
View
A
Retailer 6
-
HK$18,881 HKD
€2,292 EUR
View
A
Retailer 7
-
HK$20,344 HKD
$2,593 USD
View
A
Retailer 8
-
HK$24,290 HKD
$3,096 USD
View
A
Retailer 9
-
HK$27,310 HKD
ZAR 56,234 ZAR
View
A
Retailer 10
-
HK$27,574 HKD
A$5,407 AUD
View
A
Retailer 11
-
HK$28,457 HKD
£2,856 GBP
View
A
Retailer 12
-
HK$30,439 HKD
$3,880 USD
View
A
Retailer 13
-
HK$32,324 HKD
$4,120 USD
View
B+
Retailer 14
-
HK$36,712 HKD
$4,679 USD
View
B+
Retailer 15
-
HK$37,993 HKD
£3,813 GBP
View
B+
Retailer 16
-
HK$41,290 HKD
$5,263 USD
View
Retailer 17
-
HK$44,289 HKD
$5,645 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20895946A · Oct 29
HK$56,567 HKD
$7,210 USD
View
17 more retailers have this diamond
Prices start from HK$11,345 HKDSave up to HK$45,223 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$11,345 HKD