CaratHunter
Plans
Cushion|Lab Grown|IGI

3.06ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG680571004

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG680571004

Diamond specifications and retailer prices

From HK$10,317 HKD
$1,315 USD
As of October 31, 2026
Save HK$46,172 HKD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$56,489 HKD at Brilliant Earth · As of October 31, 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 LG680571004 or 680571004. Listed at 18 retailers as of October 31, 2026, with prices from HK$10,317 to HK$56,489, a HK$46,172 spread on the same certified stone. Brilliant Earth lists it at HK$56,489. 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 angle37°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680571004
Dimensions8.32 × 8.32 × 5.37 mm
L/W Ratio1.00
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
8.32 mm8.32 mm3.06 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680571004
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 64.5%

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 31
Current: HK$56,489 HKD|Low: HK$10,317 HKD|High: HK$58,215 HKD|Avg: HK$26,130 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 12HK$10,317 HKD
Retailer 5HK$10,686 HKD
Retailer 17HK$11,925 HKD
Retailer 13HK$15,504 HKD
Retailer 3HK$16,068 HKD
Retailer 11HK$17,036 HKD
Retailer 14HK$19,010 HKD
Retailer 4HK$23,992 HKD
Retailer 2HK$24,132 HKD
Retailer 15HK$24,816 HKD
Retailer 7HK$27,599 HKD
Retailer 10HK$29,533 HKD
Retailer 6HK$29,578 HKD
Retailer 9HK$33,758 HKD
Retailer 16HK$34,525 HKD
Retailer 8HK$37,429 HKD
Retailer 18HK$44,250 HKD
Brilliant EarthHK$56,489 HKD

36 data points across 18 retailers

18 retailersHK$10,317 HKD to HK$56,489 HKD

A
Cheapest Retailer
-
HK$10,317 HKD
$1,315 USD
Final sale: no returns
Retailer 2
-
HK$10,686 HKD
$1,362 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
HK$11,925 HKD
$1,520 USD
View
A
Retailer 4
-
HK$15,504 HKD
£1,556 GBP
View
A
Retailer 5
-
HK$16,068 HKD
$2,048 USD
View
A
Retailer 6
-
HK$17,036 HKD
€2,068 EUR
View
A
Retailer 7
-
HK$19,010 HKD
$2,423 USD
View
A
Retailer 8
-
HK$23,992 HKD
$3,058 USD
View
A
Retailer 9
-
HK$24,132 HKD
A$4,732 AUD
View
A
Retailer 10
-
HK$24,816 HKD
ZAR 51,099 ZAR
View
A
Retailer 11
-
HK$27,599 HKD
$3,518 USD
View
A
Retailer 12
-
HK$29,533 HKD
£2,964 GBP
View
A
Retailer 13
-
HK$29,578 HKD
$3,770 USD
View
B+
Retailer 14
-
HK$33,758 HKD
$4,303 USD
View
B+
Retailer 15
-
HK$34,525 HKD
£3,465 GBP
View
B+
Retailer 16
-
HK$37,429 HKD
$4,771 USD
View
Retailer 17
-
HK$44,250 HKD
$5,640 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
13210499A · Oct 31
HK$56,489 HKD
$7,200 USD
View
17 more retailers have this diamond
Prices start from HK$10,317 HKDSave up to HK$46,172 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$10,317 HKD