Cushion|Lab Grown|IGI

5.12ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG764635598

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

Certificate IGI LG764635598

Diamond specifications and retailer prices

From HK$17,960 HKD
$2,289 USD
As of October 29, 2026
Save HK$86,554 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$104,514 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG764635598 or 764635598. Listed at 16 retailers as of October 29, 2026, with prices from HK$17,960 to HK$104,514, a HK$86,554 spread on the same certified stone. Brilliant Earth lists it at HK$104,514. 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

5.12
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764635598
Dimensions9.89 × 9.74 × 6.53 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
9.89 mm9.74 mm5.12 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764635598
Side View
Table 64.0%Crown 33.9°Girdle: STK-VTKPavilion 39.9°Culet: NoneDepth 67.0%

Caratlytics Score

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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 29
Current: HK$104,514 HKD|Low: HK$17,960 HKD|High: HK$104,514 HKD|Avg: HK$36,561 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
October 30, 2026
Retailer 14HK$17,960 HKD
Retailer 3HK$18,612 HKD
Retailer 10HK$19,589 HKD
Retailer 11HK$19,930 HKD
Retailer 5HK$20,259 HKD
Retailer 2HK$25,607 HKD
Retailer 4HK$29,118 HKD
Retailer 6HK$35,276 HKD
Retailer 9HK$37,782 HKD
Retailer 7HK$37,817 HKD
Retailer 13HK$50,146 HKD
Retailer 12HK$52,974 HKD
Retailer 8HK$53,442 HKD
Brilliant EarthHK$104,514 HKD

43 data points across 14 retailers

16 retailersHK$17,960 HKD to HK$104,514 HKD

A
Cheapest Retailer
-
HK$17,960 HKD
$2,289 USD
Final sale: no returns
Retailer 2
-
HK$18,612 HKD
$2,372 USD
View
Price last confirmed 19 days ago
Retailer 3
-
HK$19,589 HKD
£1,966 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$19,930 HKD
$2,540 USD
View
A
Retailer 5
-
HK$20,259 HKD
$2,582 USD
View
B+
Retailer 6
-
HK$25,607 HKD
£2,570 GBP
View
B+
Retailer 7
-
HK$29,118 HKD
$3,711 USD
View
B+
Retailer 8
-
HK$30,656 HKD
$3,907 USD
View
B+
Retailer 9
-
HK$35,276 HKD
£3,540 GBP
View
Retailer 10
-
HK$37,782 HKD
A$7,408 AUD
View
Price last confirmed 7 days ago
B+
Retailer 11
-
HK$37,817 HKD
ZAR 77,862 ZAR
View
B
Retailer 12
-
HK$50,146 HKD
$6,391 USD
View
B
Retailer 13
-
HK$52,974 HKD
$6,751 USD
View
B
Retailer 14
-
HK$53,442 HKD
£5,363 GBP
View
B
Retailer 15
-
HK$65,113 HKD
$8,299 USD
View
Most Expensive
B
Brilliant Earth
17968550A · Oct 29
HK$104,514 HKD
$13,320 USD
View
15 more retailers have this diamond
Prices start from HK$17,960 HKDSave up to HK$86,554 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
5.12ct Cushion
HK$17,960 HKD