CaratHunter
Plans
Cushion|Lab Grown|IGI

4.51ct F VS2 Cushion Lab Grown Diamond

EX • F/VS2 • IGI LG780606629

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

Certificate IGI LG780606629

Diamond specifications and retailer prices

From HK$7,101 HKD
$905 USD
As of October 31, 2026
Save HK$39,819 HKD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$46,920 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG780606629 or 780606629. Listed at 11 retailers as of October 31, 2026, with prices from HK$7,101 to HK$46,920, a HK$39,819 spread on the same certified stone. Do Amore Diamonds lists it at HK$46,920. 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

4.51
Carat
F
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780606629
Dimensions9.66 × 9.51 × 6.43 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.51 mm4.51 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780606629
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 67.6%

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: Oct 31
Current: HK$46,920 HKD|Low: HK$7,101 HKD|High: HK$52,020 HKD|Avg: HK$19,669 HKD|-9.8%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5HK$7,101 HKD
Retailer 4HK$8,436 HKD
Retailer 6HK$8,968 HKD
Retailer 8HK$9,972 HKD
Retailer 7HK$10,961 HKD
Retailer 3HK$11,048 HKD
Retailer 9HK$24,368 HKD
Retailer 2HK$26,695 HKD
Retailer 10HK$29,737 HKD
Retailer 11HK$30,592 HKD
Do Amore DiamondsHK$46,920 HKD

9 data points across 11 retailers

11 retailersHK$7,101 HKD to HK$46,920 HKD

A
Cheapest Retailer
-
HK$7,101 HKD
$905 USD
A
Retailer 2
-
HK$8,436 HKD
View
A
Retailer 3
-
HK$8,968 HKD
$1,143 USD
View
B+
Retailer 4
-
HK$9,972 HKD
$1,271 USD
View
A
Retailer 5
-
HK$10,961 HKD
$1,397 USD
View
Retailer 6
-
HK$22,989 HKD
$2,930 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
HK$24,368 HKD
SGD 4,197 SGD
View
B
Retailer 8
-
HK$26,695 HKD
£2,679 GBP
View
B
Retailer 9
-
HK$29,737 HKD
$3,790 USD
View
B
Retailer 10
-
HK$30,592 HKD
$3,899 USD
View
Most Expensive
B
Do Amore Diamonds
27-D40AF3ECA · Oct 31
HK$46,920 HKD
$5,980 USD
View
10 more retailers have this diamond
Prices start from HK$7,101 HKDSave up to HK$39,819 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
4.51ct Cushion
HK$7,101 HKD