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Cushion|Lab Grown|IGI

4.34ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG815610195

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815610195

Diamond specifications and retailer prices

From HK$20,833 HKD
£2,091 GBP
As of October 30, 2026
Save HK$85,800 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$122,168 HKD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

About this 4.34ct lab-grown cushion diamond

This 4.34ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815610195 or 815610195. Listed at 21 retailers as of October 30, 2026, with a 412% 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

4.34
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815610195
Dimensions10.96 × 8.87 × 5.86 mm
L/W Ratio1.24
Girdle conditionFaceted
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
10.96 mm8.87 mm4.34 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815610195
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 66.1%

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$106,633 HKD|Low: HK$20,763 HKD|High: HK$118,481 HKD|Avg: HK$55,426 HKD|-10.0%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 2HK$20,833 HKD
Retailer 8HK$24,065 HKD
Retailer 5HK$25,995 HKD
Retailer 19HK$26,207 HKD
Retailer 18HK$32,688 HKD
Retailer 12HK$33,685 HKD
Retailer 9HK$38,808 HKD
Retailer 14HK$39,842 HKD
Retailer 4HK$43,048 HKD
Retailer 6HK$49,872 HKD
Retailer 13HK$53,082 HKD
Retailer 16HK$53,511 HKD
Retailer 17HK$55,749 HKD
Retailer 3HK$63,399 HKD
Retailer 15HK$67,124 HKD
Retailer 10HK$83,652 HKD
Retailer 7HK$86,925 HKD
Retailer 11HK$101,264 HKD
Brilliant EarthHK$106,633 HKD

29 data points across 19 retailers

21 retailersHK$20,833 HKD to HK$106,633 HKD

A
Cheapest Retailer
-
HK$20,833 HKD
£2,091 GBP
A
Retailer 2
-
HK$24,065 HKD
$3,067 USD
View
Final sale: no returns
A
Retailer 3
-
HK$25,995 HKD
$3,313 USD
View
A
Retailer 4
-
HK$26,207 HKD
$3,340 USD
View
A
Retailer 5
-
HK$32,688 HKD
$4,166 USD
View
A
Retailer 6
-
HK$33,685 HKD
£3,380 GBP
View
A
Retailer 7
-
HK$38,808 HKD
$4,946 USD
View
A
Retailer 8
-
HK$39,842 HKD
€4,836 EUR
View
A
Retailer 9
-
HK$43,048 HKD
£4,320 GBP
View
A
Retailer 10
-
HK$49,872 HKD
$6,356 USD
View
A
Retailer 11
-
HK$53,082 HKD
ZAR 109,291 ZAR
View
Retailer 12
-
HK$53,511 HKD
A$10,492 AUD
View
Price last confirmed 7 days ago
Retailer 13
-
HK$55,749 HKD
$7,105 USD
View
Price last confirmed 11 days ago
A
Retailer 14
-
HK$62,638 HKD
$7,983 USD
View
A
Retailer 15
-
HK$63,399 HKD
$8,080 USD
View
A
Retailer 16
-
HK$67,124 HKD
£6,736 GBP
View
B+
Retailer 17
-
HK$83,652 HKD
SGD 14,407 SGD
View
B+
Retailer 18
-
HK$86,925 HKD
$11,078 USD
View
Retailer 19
-
HK$101,264 HKD
A$19,855 AUD
View
Price last confirmed 21 days ago
B+
Retailer 20
-
HK$106,633 HKD
$13,590 USD
View
Most Expensive
Brilliant Earth
20710967A · Sep 23
HK$122,168 HKD
$15,570 USD
View
Price last confirmed 36 days ago
20 more retailers have this diamond
Prices start from HK$20,833 HKDSave up to HK$85,800 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
4.34ct Cushion
HK$20,833 HKD