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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG794658451

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG794658451

Diamond specifications and retailer prices

From HK$9,808 HKD
$1,250 USD
As of November 3, 2026
Save HK$15,502 HKD (61%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$29,972 HKD at Rare Carat · As of October 19, 2026
View at Rare Carat

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG794658451 or 794658451. Listed at 15 retailers as of November 3, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794658451
Dimensions11.83 × 7.96 × 5.61 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm7.96 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794658451
Side View
Table 62.0%Crown 39.4°Girdle: MED-THKPavilion 36.8°Culet: NoneDepth 70.5%

Caratlytics Score

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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: Nov 3
Current: HK$10,330 HKD|Low: HK$6,442 HKD|High: HK$25,609 HKD|Avg: HK$15,168 HKD|-11.0%
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
Retailer 14
November 3, 2026
Retailer 12HK$6,442 HKD
Retailer 10HK$9,808 HKD
Retailer 3HK$9,855 HKD
Retailer 9HK$10,059 HKD
Retailer 1HK$10,330 HKD
Retailer 14HK$10,459 HKD
Retailer 7HK$13,710 HKD
Retailer 11HK$13,811 HKD
Retailer 4HK$14,750 HKD
Retailer 5HK$20,088 HKD
Retailer 2HK$21,720 HKD
Retailer 13HK$21,977 HKD
Retailer 6HK$22,218 HKD
Retailer 8HK$25,310 HKD

44 data points across 14 retailers

15 retailersHK$9,808 HKD to HK$25,310 HKD

Retailer 1
-
HK$6,442 HKD
$821 USD
Price last confirmed 17 days ago
A
Retailer 2
-
HK$9,808 HKD
$1,250 USD
View
A
Retailer 3
-
HK$9,855 HKD
$1,256 USD
View
A
Retailer 4
-
HK$10,059 HKD
€1,221 EUR
View
A
Retailer 5
-
HK$10,330 HKD
£1,037 GBP
View
B+
Retailer 6
-
HK$10,459 HKD
$1,333 USD
View
A
Retailer 7
-
HK$13,710 HKD
ZAR 28,229 ZAR
View
A
Retailer 8
-
HK$13,811 HKD
A$2,708 AUD
View
A
Retailer 9
-
HK$14,750 HKD
$1,880 USD
View
B+
Retailer 10
-
HK$20,088 HKD
£2,016 GBP
View
B+
Retailer 11
-
HK$21,720 HKD
SGD 3,741 SGD
View
B+
Retailer 12
-
HK$21,977 HKD
$2,801 USD
View
B+
Retailer 13
-
HK$22,218 HKD
$2,832 USD
View
B+
Retailer 14
-
HK$25,310 HKD
£2,540 GBP
View
Most Expensive
Rare Carat
SAV-32-1600_l_794658451 · Oct 19
HK$29,972 HKD
$3,820 USD
View
Price last confirmed 15 days ago
14 more retailers have this diamond
Prices start from HK$9,808 HKDSave up to HK$15,502 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$9,808 HKD