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Cushion|Lab Grown|IGI

4.51ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG843672261

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG843672261

Diamond specifications and retailer prices

From HK$6,364 HKD
£639 GBP
As of November 2, 2026
Save HK$48,715 HKD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$55,080 HKD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

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 LG843672261 or 843672261. Listed at 19 retailers as of November 2, 2026, with prices from HK$6,364 to HK$55,080, a HK$48,715 spread on the same certified stone. Brilliant Earth lists it at HK$55,080. 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 angle37.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843672261
Dimensions11.72 × 8.09 × 5.52 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm8.09 mm4.51 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843672261
Side View
Table 63.0%Crown 37.9°Girdle: STK-VTKPavilion 38.3°Culet: NoneDepth 68.2%

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$55,080 HKD|Low: HK$6,362 HKD|High: HK$55,080 HKD|Avg: HK$19,397 HKD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
Retailer 19
November 3, 2026
Retailer 15HK$6,364 HKD
Retailer 3HK$8,336 HKD
Retailer 7HK$8,513 HKD
Retailer 5HK$9,917 HKD
Retailer 6HK$10,216 HKD
Retailer 16HK$10,817 HKD
Retailer 2HK$10,936 HKD
Retailer 8HK$14,947 HKD
Retailer 13HK$15,193 HKD
Retailer 18HK$15,279 HKD
Retailer 14HK$15,598 HKD
Retailer 19HK$22,746 HKD
Retailer 9HK$24,002 HKD
Retailer 11HK$24,648 HKD
Retailer 10HK$25,523 HKD
Retailer 12HK$26,735 HKD
Retailer 17HK$27,152 HKD
Retailer 4HK$30,051 HKD
Brilliant EarthHK$55,080 HKD

30 data points across 19 retailers

19 retailersHK$6,364 HKD to HK$55,080 HKD

A
Cheapest Retailer
-
HK$6,364 HKD
£639 GBP
A
Retailer 2
-
HK$8,336 HKD
View
A
Retailer 3
-
HK$8,513 HKD
$1,085 USD
View
A
Retailer 4
-
HK$9,917 HKD
$1,264 USD
View
B+
Retailer 5
-
HK$10,216 HKD
$1,302 USD
View
A
Retailer 6
-
HK$10,817 HKD
€1,313 EUR
View
A
Retailer 7
-
HK$10,936 HKD
£1,098 GBP
View
A
Retailer 8
-
HK$14,947 HKD
$1,905 USD
View
A
Retailer 9
-
HK$15,193 HKD
ZAR 31,283 ZAR
View
A
Retailer 10
-
HK$15,279 HKD
A$2,996 AUD
View
A
Retailer 11
-
HK$15,598 HKD
$1,988 USD
View
B+
Retailer 12
-
HK$22,746 HKD
$2,899 USD
View
B+
Retailer 13
-
HK$24,002 HKD
SGD 4,134 SGD
View
B+
Retailer 14
-
HK$24,648 HKD
$3,141 USD
View
B+
Retailer 15
-
HK$25,523 HKD
$3,253 USD
View
B+
Retailer 16
-
HK$26,735 HKD
£2,683 GBP
View
B+
Retailer 17
-
HK$27,152 HKD
A$5,324 AUD
View
Retailer 18
-
HK$30,051 HKD
$3,830 USD
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
21702797A · Nov 3
HK$55,080 HKD
$7,020 USD
View
18 more retailers have this diamond
Prices start from HK$6,364 HKDSave up to HK$48,715 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$6,364 HKD