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Cushion|Lab Grown|IGI

3.05ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG729590148

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590148

Diamond specifications and retailer prices

From HK$13,142 HKD
$1,675 USD
As of October 29, 2026
Save HK$68,143 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$81,284 HKD at Novita Diamonds · As of October 27, 2026
View at Novita Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729590148 or 729590148. Listed at 20 retailers as of October 27, 2026, with prices from HK$13,142 to HK$81,284, a HK$68,143 spread on the same certified stone. Novita Diamonds lists it at HK$81,284. 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

3.05
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590148
Dimensions9.86 × 7.83 × 5.09 mm
L/W Ratio1.26
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
9.86 mm7.83 mm3.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590148
Side View
Table 59.0%Crown 33.2°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 65.0%

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$81,284 HKD|Low: HK$12,530 HKD|High: HK$81,452 HKD|Avg: HK$36,216 HKD|+1.2%
Novita 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
Retailer 20
October 31, 2026
Retailer 6HK$13,142 HKD
Retailer 13HK$13,667 HKD
Retailer 10HK$14,828 HKD
Retailer 5HK$16,470 HKD
Retailer 17HK$18,022 HKD
Retailer 2HK$18,491 HKD
Retailer 19HK$21,139 HKD
Retailer 11HK$21,638 HKD
Retailer 18HK$30,419 HKD
Retailer 20HK$31,686 HKD
Retailer 8HK$32,419 HKD
Retailer 7HK$35,798 HKD
Retailer 15HK$36,609 HKD
Retailer 3HK$37,614 HKD
Retailer 9HK$43,347 HKD
Retailer 16HK$46,421 HKD
Retailer 4HK$47,683 HKD
Retailer 12HK$58,058 HKD
Retailer 14HK$70,376 HKD
Novita DiamondsHK$81,284 HKD

32 data points across 20 retailers

20 retailersHK$13,142 HKD to HK$81,284 HKD

A
Cheapest Retailer
-
HK$13,142 HKD
$1,675 USD
Final sale: no returns
A
Retailer 2
-
HK$13,667 HKD
$1,742 USD
View
A
Retailer 3
-
HK$14,828 HKD
$1,890 USD
View
A
Retailer 4
-
HK$16,470 HKD
View
A
Retailer 5
-
HK$18,022 HKD
$2,297 USD
View
A
Retailer 6
-
HK$18,491 HKD
£1,856 GBP
View
A
Retailer 7
-
HK$21,139 HKD
€2,566 EUR
View
A
Retailer 8
-
HK$21,638 HKD
$2,758 USD
View
A
Retailer 9
-
HK$30,419 HKD
ZAR 62,635 ZAR
View
A
Retailer 10
-
HK$31,686 HKD
£3,180 GBP
View
Retailer 11
-
HK$32,419 HKD
A$6,357 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$35,798 HKD
$4,563 USD
View
B+
Retailer 13
-
HK$36,609 HKD
$4,666 USD
View
B+
Retailer 14
-
HK$37,614 HKD
£3,775 GBP
View
Retailer 15
-
HK$43,347 HKD
$5,525 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
HK$46,421 HKD
$5,917 USD
View
B+
Retailer 17
-
HK$47,683 HKD
SGD 8,213 SGD
View
B+
Retailer 18
-
HK$58,058 HKD
$7,400 USD
View
B
Retailer 19
-
HK$70,376 HKD
$8,970 USD
View
Most Expensive
B
Novita Diamonds
cert_729590148 · Oct 8
HK$81,284 HKD
A$15,939 AUD
View
19 more retailers have this diamond
Prices start from HK$13,142 HKDSave up to HK$68,143 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
3.05ct Cushion
HK$13,142 HKD