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Cushion|Lab Grown|IGI

3.80ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689566677

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG689566677

Diamond specifications and retailer prices

From HK$12,005 HKD
$1,530 USD
As of October 29, 2026
Save HK$64,497 HKD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$76,502 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.8ct lab-grown cushion diamond

This 3.8ct 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 LG689566677 or 689566677. Listed at 21 retailers as of October 29, 2026, with prices from HK$12,005 to HK$76,502, a HK$64,497 spread on the same certified stone. Brilliant Earth lists it at HK$76,502. 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

3.80
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689566677
Dimensions10.28 × 8.41 × 5.58 mm
L/W Ratio1.22
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
10.28 mm8.41 mm3.80 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689566677
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 66.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$76,502 HKD|Low: HK$10,977 HKD|High: HK$78,856 HKD|Avg: HK$29,312 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
Retailer 19
Retailer 20
October 30, 2026
Retailer 18HK$12,005 HKD
Retailer 17HK$12,546 HKD
Retailer 8HK$13,519 HKD
Retailer 10HK$13,860 HKD
Retailer 2HK$16,011 HKD
Retailer 4HK$17,168 HKD
Retailer 15HK$18,389 HKD
Retailer 5HK$22,668 HKD
Retailer 19HK$25,710 HKD
Retailer 14HK$26,393 HKD
Retailer 13HK$27,503 HKD
Retailer 11HK$29,518 HKD
Retailer 20HK$35,466 HKD
Retailer 6HK$35,625 HKD
Retailer 16HK$36,711 HKD
Retailer 3HK$38,430 HKD
Retailer 12HK$39,869 HKD
Retailer 9HK$40,157 HKD
Retailer 7HK$43,595 HKD
Brilliant EarthHK$76,502 HKD

36 data points across 20 retailers

21 retailersHK$12,005 HKD to HK$76,502 HKD

A
Cheapest Retailer
-
HK$12,005 HKD
$1,530 USD
A
Retailer 2
-
HK$12,546 HKD
$1,599 USD
View
Final sale: no returns
A
Retailer 3
-
HK$13,519 HKD
$1,723 USD
View
A
Retailer 4
-
HK$13,860 HKD
View
A
Retailer 5
-
HK$16,011 HKD
£1,607 GBP
View
Retailer 6
-
HK$16,406 HKD
£1,646 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
HK$17,168 HKD
$2,188 USD
View
A
Retailer 8
-
HK$18,389 HKD
€2,232 EUR
View
B+
Retailer 9
-
HK$22,668 HKD
$2,889 USD
View
Retailer 10
-
HK$25,710 HKD
A$5,041 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$26,393 HKD
ZAR 54,340 ZAR
View
B+
Retailer 12
-
HK$27,503 HKD
£2,760 GBP
View
B+
Retailer 13
-
HK$29,518 HKD
$3,762 USD
View
Retailer 14
-
HK$35,466 HKD
$4,520 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
HK$35,625 HKD
$4,540 USD
View
B+
Retailer 16
-
HK$36,711 HKD
£3,684 GBP
View
Retailer 17
-
HK$38,430 HKD
A$7,535 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
HK$39,869 HKD
$5,081 USD
View
B
Retailer 19
-
HK$40,157 HKD
SGD 6,916 SGD
View
B
Retailer 20
-
HK$43,595 HKD
$5,556 USD
View
Most Expensive
B
Brilliant Earth
14438044A · Oct 29
HK$76,502 HKD
$9,750 USD
View
20 more retailers have this diamond
Prices start from HK$12,005 HKDSave up to HK$64,497 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
3.80ct Cushion
HK$12,005 HKD