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Cushion|Lab Grown|IGI

1.00ct F VVS1 Cushion Lab Grown Diamond

VG • F/VVS1 • IGI LG818658539

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

Certificate IGI LG818658539

Diamond specifications and retailer prices

From HK$5,800 HKD
As of November 6, 2026
10 retailers carry this diamond
Most expensive: HK$8,597 HKD at Reve Diamonds · As of October 11, 2026
View at Reve Diamonds

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG818658539 or 818658539. Listed at 10 retailers as of November 6, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
F
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658539
Dimensions5.90 × 5.86 × 3.85 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
5.90 mm5.86 mm1.00 ctF / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658539
Side View
Table 62.0%Crown 35.7°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 65.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: HK$5,682 HKD|Low: HK$1,481 HKD|High: HK$8,648 HKD|Avg: HK$4,051 HKD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 19, 2026
Retailer 3HK$1,481 HKD
Retailer 5HK$1,646 HKD
Retailer 7HK$2,038 HKD
Retailer 9HK$2,829 HKD
Retailer 8HK$2,845 HKD
Retailer 6HK$2,868 HKD
Retailer 4HK$2,955 HKD
Retailer 2HK$3,166 HKD
Retailer 12HK$3,229 HKD
Retailer 1HK$5,682 HKD
Retailer 13HK$5,729 HKD
Retailer 10HK$5,800 HKD
Retailer 11HK$7,798 HKD
Reve DiamondsHK$8,597 HKD

18 data points across 14 retailers

10 retailers

Retailer 1
-
HK$1,646 HKD
Price last confirmed 26 days ago
Retailer 2
-
HK$2,829 HKD
View
Price last confirmed 30 days ago
Retailer 3
-
HK$2,868 HKD
View
Price last confirmed 26 days ago
Retailer 4
-
HK$2,955 HKD
View
Price last confirmed 27 days ago
Retailer 5
-
HK$3,229 HKD
View
Price last confirmed 33 days ago
Retailer 6
-
HK$5,682 HKD
View
Price last confirmed 19 days ago
Retailer 7
-
HK$5,729 HKD
View
Price last confirmed 26 days ago
B
Retailer 8
-
HK$5,800 HKD
View
Retailer 9
-
HK$7,798 HKD
View
Price last confirmed 27 days ago
Most Expensive
Reve Diamonds
112168595 · Oct 11
HK$8,597 HKD
$1,097 USD
View
Price last confirmed 26 days ago
9 more retailers have this diamond
Prices start from HK$5,800 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.

B
1.00ct Cushion
HK$5,800 HKD