CaratHunter
Plans
Cushion|Lab Grown|IGI

1.00ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG811655123

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811655123

Diamond specifications and retailer prices

From HK$1,957 HKD
£196 GBP
As of November 2, 2026
Save HK$6,124 HKD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,081 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1ct lab-grown cushion diamond

This 1ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811655123 or 811655123. Listed at 16 retailers as of November 2, 2026, with prices from HK$1,957 to HK$8,081, a HK$6,124 spread on the same certified stone. Brilliant Earth lists it at HK$8,081. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811655123
Dimensions6.98 × 5.39 × 3.53 mm
L/W Ratio1.29
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
6.98 mm5.39 mm1.00 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811655123
Side View
Table 61.0%Crown 31.4°Girdle: MED-THKPavilion 36.1°Culet: NoneDepth 65.5%

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: Nov 2
Current: HK$8,081 HKD|Low: HK$1,632 HKD|High: HK$8,081 HKD|Avg: HK$3,831 HKD
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
November 3, 2026
Retailer 3HK$1,632 HKD
Retailer 9HK$1,957 HKD
Retailer 5HK$2,213 HKD
Retailer 14HK$2,487 HKD
Retailer 8HK$2,793 HKD
Retailer 11HK$2,824 HKD
Retailer 2HK$2,909 HKD
Retailer 7HK$3,273 HKD
Retailer 10HK$3,988 HKD
Retailer 13HK$4,049 HKD
Retailer 15HK$4,111 HKD
Retailer 4HK$4,482 HKD
Retailer 6HK$5,688 HKD
Retailer 12HK$7,653 HKD
Brilliant EarthHK$8,081 HKD

40 data points across 15 retailers

16 retailersHK$1,957 HKD to HK$8,081 HKD

Retailer 1
-
HK$1,632 HKD
$208 USD
Price last confirmed 8 days ago
A
Retailer 2
-
HK$1,957 HKD
£196 GBP
View
B+
Retailer 3
-
HK$2,213 HKD
$282 USD
View
A
Retailer 4
-
HK$2,487 HKD
$317 USD
View
A
Retailer 5
-
HK$2,793 HKD
€339 EUR
View
A
Retailer 6
-
HK$2,824 HKD
ZAR 5,814 ZAR
View
A
Retailer 7
-
HK$2,909 HKD
£292 GBP
View
Retailer 8
-
HK$3,273 HKD
£329 GBP
View
Price last confirmed 20 days ago
B+
Retailer 9
-
HK$3,766 HKD
$480 USD
View
B+
Retailer 10
-
HK$3,988 HKD
A$782 AUD
View
B+
Retailer 11
-
HK$4,049 HKD
$516 USD
View
B+
Retailer 12
-
HK$4,111 HKD
$524 USD
View
B+
Retailer 13
-
HK$4,482 HKD
SGD 772 SGD
View
B
Retailer 14
-
HK$5,688 HKD
$725 USD
View
B
Retailer 15
-
HK$7,653 HKD
£768 GBP
View
Most Expensive
B
Brilliant Earth
20298903A · Nov 2
HK$8,081 HKD
$1,030 USD
View
15 more retailers have this diamond
Prices start from HK$1,957 HKDSave up to HK$6,124 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
1.00ct Cushion
HK$1,957 HKD