CaratHunter
Plans
Cushion|Lab Grown|IGI

4.23ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG789612851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG789612851

Diamond specifications and retailer prices

From HK$33,562 HKD
£3,368 GBP
As of October 30, 2026
Save HK$182,273 HKD (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$215,835 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.23ct lab-grown cushion diamond

This 4.23ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG789612851 or 789612851. Listed at 21 retailers as of October 30, 2026, with prices from HK$33,562 to HK$215,835, a HK$182,273 spread on the same certified stone. Do Amore Diamonds lists it at HK$215,835. 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

4.23
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789612851
Dimensions10.95 × 8.81 × 5.89 mm
L/W Ratio1.24
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
10.95 mm8.81 mm4.23 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789612851
Side View
Table 59.0%Crown 32.2°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 66.9%

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 30
Current: HK$215,835 HKD|Low: HK$33,449 HKD|High: HK$215,835 HKD|Avg: HK$83,240 HKD
Do Amore Diamonds
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 31, 2026
Retailer 13HK$33,562 HKD
Retailer 17HK$34,623 HKD
Retailer 4HK$35,141 HKD
Retailer 18HK$36,200 HKD
Retailer 3HK$36,836 HKD
Retailer 9HK$40,178 HKD
Retailer 19HK$48,204 HKD
Retailer 14HK$52,100 HKD
Retailer 10HK$56,556 HKD
Retailer 8HK$62,154 HKD
Retailer 6HK$68,720 HKD
Retailer 2HK$74,957 HKD
Retailer 16HK$83,628 HKD
Retailer 15HK$85,500 HKD
Retailer 5HK$100,188 HKD
Retailer 12HK$102,857 HKD
Retailer 7HK$139,589 HKD
Retailer 11HK$143,334 HKD
Do Amore DiamondsHK$215,835 HKD

32 data points across 19 retailers

21 retailersHK$33,562 HKD to HK$215,835 HKD

A
Cheapest Retailer
-
HK$33,562 HKD
£3,368 GBP
A
Retailer 2
-
HK$34,623 HKD
$4,413 USD
View
A
Retailer 3
-
HK$35,141 HKD
$4,479 USD
View
Final sale: no returns
A
Retailer 4
-
HK$36,200 HKD
$4,614 USD
View
A
Retailer 5
-
HK$36,836 HKD
$4,695 USD
View
Retailer 6
-
HK$40,178 HKD
$5,121 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
HK$48,204 HKD
View
A
Retailer 8
-
HK$52,100 HKD
£5,229 GBP
View
A
Retailer 9
-
HK$56,556 HKD
£5,676 GBP
View
Retailer 10
-
HK$62,154 HKD
$7,922 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
HK$68,720 HKD
$8,759 USD
View
A
Retailer 12
-
HK$70,541 HKD
$8,991 USD
View
B+
Retailer 13
-
HK$74,957 HKD
€9,099 EUR
View
B+
Retailer 14
-
HK$83,628 HKD
£8,393 GBP
View
B+
Retailer 15
-
HK$85,500 HKD
ZAR 176,054 ZAR
View
B+
Retailer 16
-
HK$100,188 HKD
$12,770 USD
View
B+
Retailer 17
-
HK$102,857 HKD
$13,110 USD
View
B
Retailer 18
-
HK$139,589 HKD
SGD 24,043 SGD
View
B
Retailer 19
-
HK$143,334 HKD
$18,269 USD
View
B
Retailer 20
-
HK$174,331 HKD
$22,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-E50AB4534 · Oct 31
HK$215,835 HKD
$27,510 USD
View
20 more retailers have this diamond
Prices start from HK$33,562 HKDSave up to HK$182,273 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
4.23ct Cushion
HK$33,562 HKD