Cushion|Lab Grown|IGI

5.03ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG633427879

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG633427879

Diamond specifications and retailer prices

From HK$40,178 HKD
$5,121 USD
As of October 30, 2026
Save HK$109,404 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$149,582 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.03ct lab-grown cushion diamond

This 5.03ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG633427879 or 633427879. Listed at 18 retailers as of October 30, 2026, with prices from HK$40,178 to HK$149,582, a HK$109,404 spread on the same certified stone. Taylor and Hart lists it at HK$149,582. 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

5.03
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633427879
Dimensions9.78 × 9.78 × 6.35 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
9.78 mm9.78 mm5.03 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633427879
Side View
Table 63.0%Crown 34.5°Girdle: THK-VTKPavilion 39.2°Culet: NoneDepth 64.9%

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: Oct 30
Current: HK$68,112 HKD|Low: HK$38,287 HKD|High: HK$149,582 HKD|Avg: HK$72,117 HKD|+3.6%
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
Retailer 16
Taylor and Hart
October 31, 2026
Retailer 5HK$40,178 HKD
Retailer 9HK$40,390 HKD
Retailer 8HK$41,347 HKD
Retailer 3HK$42,131 HKD
Retailer 11HK$54,356 HKD
Retailer 16HK$59,067 HKD
Retailer 7HK$63,707 HKD
Retailer 4HK$64,256 HKD
Retailer 1HK$68,112 HKD
Retailer 15HK$71,082 HKD
Retailer 2HK$74,299 HKD
Retailer 12HK$84,993 HKD
Retailer 6HK$85,716 HKD
Retailer 13HK$87,086 HKD
Retailer 10HK$112,900 HKD
Retailer 14HK$116,274 HKD
Taylor and HartHK$149,582 HKD

37 data points across 17 retailers

18 retailersHK$40,178 HKD to HK$149,582 HKD

A
Cheapest Retailer
-
HK$40,178 HKD
$5,121 USD
A
Retailer 2
-
HK$40,390 HKD
$5,148 USD
View
Final sale: no returns
Retailer 3
-
HK$41,347 HKD
$5,270 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
HK$42,131 HKD
$5,370 USD
View
A
Retailer 5
-
HK$54,356 HKD
£5,455 GBP
View
Retailer 6
-
HK$54,669 HKD
£5,487 GBP
View
Price last confirmed 19 days ago
A
Retailer 7
-
HK$59,067 HKD
£5,928 GBP
View
Retailer 8
-
HK$63,707 HKD
$8,120 USD
View
Price last confirmed 13 days ago
A
Retailer 9
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HK$64,256 HKD
$8,190 USD
View
A
Retailer 10
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HK$68,112 HKD
€8,268 EUR
View
A
Retailer 11
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HK$71,082 HKD
$9,060 USD
View
A
Retailer 12
-
HK$74,299 HKD
$9,470 USD
View
A
Retailer 13
-
HK$84,993 HKD
ZAR 175,010 ZAR
View
Retailer 14
-
HK$85,716 HKD
A$16,808 AUD
View
Price last confirmed 9 days ago
A
Retailer 15
-
HK$87,086 HKD
£8,740 GBP
View
A
Retailer 16
-
HK$112,900 HKD
$14,390 USD
View
B+
Retailer 17
-
HK$116,274 HKD
$14,820 USD
View
Most Expensive
B+
Taylor and Hart
QRCH1TB · Oct 30
HK$149,582 HKD
$19,065 USD
View
17 more retailers have this diamond
Prices start from HK$40,178 HKDSave up to HK$109,404 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
5.03ct Cushion
HK$40,178 HKD