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Cushion|Lab Grown|IGI

3.23ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG717599851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG717599851

Diamond specifications and retailer prices

From HK$13,189 HKD
$1,681 USD
As of October 29, 2026
Save HK$46,517 HKD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$59,706 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.23ct lab-grown cushion diamond

This 3.23ct 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 LG717599851 or 717599851. Listed at 21 retailers as of October 29, 2026, with prices from HK$13,189 to HK$59,706, a HK$46,517 spread on the same certified stone. Brilliant Earth lists it at HK$59,706. 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

3.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle28.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717599851
Dimensions9.62 × 7.43 × 4.76 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm7.43 mm3.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717599851
Side View
Table 65.0%Crown 37.7°Girdle: MED-THKPavilion 28.7°Culet: NoneDepth 64.1%

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$13,914 HKD|Low: HK$12,161 HKD|High: HK$44,917 HKD|Avg: HK$22,922 HKD|-0.9%
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
October 30, 2026
Retailer 14HK$13,189 HKD
Retailer 1HK$13,914 HKD
Retailer 3HK$13,965 HKD
Retailer 6HK$14,397 HKD
Retailer 4HK$14,562 HKD
Retailer 8HK$17,780 HKD
Retailer 12HK$18,029 HKD
Retailer 10HK$20,241 HKD
Retailer 5HK$20,838 HKD
Retailer 7HK$26,911 HKD
Retailer 13HK$28,507 HKD
Retailer 9HK$29,267 HKD
Retailer 15HK$34,702 HKD
Retailer 11HK$36,189 HKD
Retailer 2HK$44,446 HKD

27 data points across 15 retailers

21 retailersHK$13,189 HKD to HK$59,706 HKD

Retailer 1
-
HK$12,600 HKD
$1,606 USD
Price last confirmed 18 days ago
A
Retailer 2
-
HK$13,189 HKD
$1,681 USD
View
Final sale: no returns
A
Retailer 3
-
HK$13,914 HKD
£1,396 GBP
View
A
Retailer 4
-
HK$13,965 HKD
$1,780 USD
View
A
Retailer 5
-
HK$14,397 HKD
$1,835 USD
View
A
Retailer 6
-
HK$14,562 HKD
View
A
Retailer 7
-
HK$17,780 HKD
£1,784 GBP
View
A
Retailer 8
-
HK$18,029 HKD
$2,298 USD
View
A
Retailer 9
-
HK$20,241 HKD
€2,457 EUR
View
A
Retailer 10
-
HK$20,838 HKD
$2,656 USD
View
A
Retailer 11
-
HK$26,911 HKD
$3,430 USD
View
Retailer 12
-
HK$28,507 HKD
A$5,590 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
HK$29,267 HKD
ZAR 60,263 ZAR
View
A
Retailer 14
-
HK$30,490 HKD
£3,060 GBP
View
A
Retailer 15
-
HK$34,702 HKD
$4,423 USD
View
A
Retailer 16
-
HK$36,189 HKD
£3,632 GBP
View
B+
Retailer 17
-
HK$39,029 HKD
$4,975 USD
View
B+
Retailer 18
-
HK$42,162 HKD
SGD 7,262 SGD
View
B+
Retailer 19
-
HK$44,318 HKD
$5,649 USD
View
Retailer 20
-
HK$44,446 HKD
$5,665 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
Brilliant Earth
14880797A · Oct 29
HK$59,706 HKD
$7,610 USD
View
20 more retailers have this diamond
Prices start from HK$13,189 HKDSave up to HK$46,517 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
3.23ct Cushion
HK$13,189 HKD