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Cushion|Lab Grown|IGI

5.02ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG678556778

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678556778

Diamond specifications and retailer prices

From HK$37,317 HKD
$4,756 USD
As of October 29, 2026
Save HK$100,294 HKD (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$137,611 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.02ct lab-grown cushion diamond

This 5.02ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678556778 or 678556778. Listed at 16 retailers as of October 29, 2026, with prices from HK$37,317 to HK$137,611, a HK$100,294 spread on the same certified stone. Taylor and Hart lists it at HK$137,611. 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

5.02
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678556778
Dimensions9.83 × 9.83 × 6.36 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
9.83 mm9.83 mm5.02 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678556778
Side View
Table 63.0%Crown 36.2°Girdle: STK-VTKPavilion 38.7°Culet: NoneDepth 64.7%

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 29
Current: HK$50,034 HKD|Low: HK$20,173 HKD|High: HK$137,611 HKD|Avg: HK$58,666 HKD|+28.3%
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
Retailer 15
Taylor and Hart
October 30, 2026
Retailer 7HK$29,267 HKD
Retailer 11HK$37,317 HKD
Retailer 3HK$39,036 HKD
Retailer 1HK$50,034 HKD
Retailer 14HK$54,289 HKD
Retailer 4HK$59,162 HKD
Retailer 6HK$59,600 HKD
Retailer 9HK$63,117 HKD
Retailer 13HK$66,867 HKD
Retailer 15HK$69,652 HKD
Retailer 8HK$78,520 HKD
Retailer 10HK$80,457 HKD
Retailer 2HK$103,440 HKD
Retailer 12HK$107,381 HKD
Retailer 5HK$115,107 HKD
Taylor and HartHK$137,611 HKD

38 data points across 16 retailers

16 retailersHK$37,317 HKD to HK$137,611 HKD

Retailer 1
-
HK$29,267 HKD
$3,730 USD
Price last confirmed 19 days ago
A
Retailer 2
-
HK$37,317 HKD
$4,756 USD
View
Final sale: no returns
A
Retailer 3
-
HK$39,036 HKD
$4,975 USD
View
A
Retailer 4
-
HK$50,034 HKD
£5,021 GBP
View
A
Retailer 5
-
HK$54,289 HKD
£5,448 GBP
View
A
Retailer 6
-
HK$59,162 HKD
$7,540 USD
View
Retailer 7
-
HK$59,600 HKD
A$11,686 AUD
View
Price last confirmed 7 days ago
A
Retailer 8
-
HK$63,117 HKD
€7,661 EUR
View
A
Retailer 9
-
HK$66,867 HKD
$8,522 USD
View
A
Retailer 10
-
HK$69,652 HKD
$8,877 USD
View
A
Retailer 11
-
HK$78,520 HKD
ZAR 161,667 ZAR
View
A
Retailer 12
-
HK$80,457 HKD
£8,074 GBP
View
A
Retailer 13
-
HK$103,440 HKD
$13,183 USD
View
B+
Retailer 14
-
HK$107,381 HKD
$13,685 USD
View
B+
Retailer 15
-
HK$115,107 HKD
$14,670 USD
View
Most Expensive
B+
Taylor and Hart
DURVXYQ · Oct 30
HK$137,611 HKD
$17,538 USD
View
15 more retailers have this diamond
Prices start from HK$37,317 HKDSave up to HK$100,294 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
5.02ct Cushion
HK$37,317 HKD