Cushion|Lab Grown|IGI

3.05ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG805674308

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

Certificate IGI LG805674308

Diamond specifications and retailer prices

From HK$8,591 HKD
$1,095 USD
As of October 23, 2026
Save HK$52,684 HKD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$61,275 HKD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG805674308 or 805674308. Listed at 17 retailers as of October 23, 2026, with prices from HK$8,591 to HK$61,275, a HK$52,684 spread on the same certified stone. Brilliant Earth lists it at HK$61,275. 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

3.05
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805674308
Dimensions8.46 × 8.40 × 5.64 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
8.46 mm8.40 mm3.05 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805674308
Side View
Table 64.0%Crown 34.7°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 67.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 23
Current: HK$61,275 HKD|Low: HK$5,304 HKD|High: HK$63,158 HKD|Avg: HK$16,639 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 25, 2026
Retailer 5HK$5,304 HKD
Retailer 18HK$5,876 HKD
Retailer 13HK$6,376 HKD
Retailer 17HK$6,787 HKD
Retailer 7HK$8,591 HKD
Retailer 6HK$9,007 HKD
Retailer 11HK$9,061 HKD
Retailer 12HK$10,050 HKD
Retailer 14HK$12,489 HKD
Retailer 15HK$12,624 HKD
Retailer 9HK$14,114 HKD
Retailer 8HK$17,098 HKD
Retailer 4HK$18,759 HKD
Retailer 10HK$19,003 HKD
Retailer 3HK$19,481 HKD
Retailer 2HK$25,548 HKD
Retailer 16HK$26,518 HKD
Brilliant EarthHK$61,275 HKD

32 data points across 18 retailers

17 retailersHK$8,591 HKD to HK$61,275 HKD

Retailer 1
-
HK$5,876 HKD
$749 USD
Price last confirmed 19 days ago
Retailer 2
-
HK$6,376 HKD
£640 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
HK$6,787 HKD
$865 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
HK$8,591 HKD
$1,095 USD
View
Retailer 5
-
HK$9,007 HKD
$1,148 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
HK$9,061 HKD
£909 GBP
View
A
Retailer 7
-
HK$10,050 HKD
€1,220 EUR
View
Retailer 8
-
HK$12,489 HKD
A$2,449 AUD
View
Price last confirmed 9 days ago
Retailer 9
-
HK$12,624 HKD
ZAR 25,994 ZAR
View
Price last confirmed 11 days ago
A
Retailer 10
-
HK$14,114 HKD
$1,799 USD
View
Retailer 11
-
HK$17,098 HKD
£1,716 GBP
View
Price last confirmed 19 days ago
B+
Retailer 12
-
HK$18,759 HKD
$2,391 USD
View
Retailer 13
-
HK$19,003 HKD
$2,422 USD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
HK$19,481 HKD
$2,483 USD
View
B+
Retailer 15
-
HK$25,548 HKD
£2,564 GBP
View
Retailer 16
-
HK$26,518 HKD
$3,380 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20374713A · Oct 23
HK$61,275 HKD
$7,810 USD
View
16 more retailers have this diamond
Prices start from HK$8,591 HKDSave up to HK$52,684 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
3.05ct Cushion
HK$8,591 HKD