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Cushion|Lab Grown|IGI

1.21ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG808635658

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

Certificate IGI LG808635658

Diamond specifications and retailer prices

From HK$3,397 HKD
As of October 31, 2026
Save HK$8,685 HKD (72%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$12,083 HKD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG808635658 or 808635658. Listed at 10 retailers as of October 31, 2026, with prices from HK$3,397 to HK$12,083, a HK$8,685 spread on the same certified stone. Brilliant Earth lists it at HK$12,083. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808635658
Dimensions6.25 × 6.08 × 4.15 mm
L/W Ratio1.03
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
6.25 mm6.08 mm1.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808635658
Side View
Table 60.0%Crown 34.4°Girdle: MED-THKPavilion 40.1°Culet: NoneDepth 68.3%

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 31
Current: HK$12,083 HKD|Low: HK$3,319 HKD|High: HK$13,181 HKD|Avg: HK$6,312 HKD|-8.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5HK$3,397 HKD
Retailer 7HK$3,554 HKD
Retailer 3HK$3,782 HKD
Retailer 6HK$4,582 HKD
Retailer 4HK$5,547 HKD
Retailer 8HK$7,053 HKD
Retailer 9HK$7,736 HKD
Retailer 2HK$8,246 HKD
Brilliant EarthHK$12,083 HKD

45 data points across 9 retailers

10 retailersHK$3,397 HKD to HK$12,083 HKD

A
Cheapest Retailer
-
HK$3,397 HKD
A
Retailer 2
-
HK$3,554 HKD
View
A
Retailer 3
-
HK$3,782 HKD
View
B+
Retailer 4
-
HK$4,582 HKD
View
B+
Retailer 5
-
HK$5,547 HKD
View
B
Retailer 6
-
HK$7,053 HKD
View
B+
Retailer 7
-
HK$7,736 HKD
View
B
Retailer 8
-
HK$8,246 HKD
View
Retailer 9
-
HK$9,148 HKD
View
Price last confirmed 115 days ago
Most Expensive
B
Brilliant Earth
20998111A · Nov 3
HK$12,083 HKD
$1,540 USD
View
9 more retailers have this diamond
Prices start from HK$3,397 HKDSave up to HK$8,685 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
1.21ct Cushion
HK$3,397 HKD