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Cushion|Lab Grown|IGI

4.05ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG729590156

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590156

Diamond specifications and retailer prices

From HK$16,335 HKD
$2,082 USD
As of October 29, 2026
Save HK$84,012 HKD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$100,347 HKD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729590156 or 729590156. Listed at 20 retailers as of October 29, 2026, with prices from HK$16,335 to HK$100,347, a HK$84,012 spread on the same certified stone. Do Amore Diamonds lists it at HK$100,347. 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

4.05
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590156
Dimensions8.69 × 8.69 × 5.73 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
8.69 mm8.69 mm4.05 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590156
Side View
Table 62.0%Crown 34.9°Girdle: STK-THKPavilion 36°Culet: NoneDepth 65.9%

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 29
Current: HK$100,347 HKD|Low: HK$16,335 HKD|High: HK$100,347 HKD|Avg: HK$40,945 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 12HK$16,335 HKD
Retailer 18HK$17,496 HKD
Retailer 6HK$18,641 HKD
Retailer 4HK$19,693 HKD
Retailer 8HK$23,399 HKD
Retailer 2HK$25,702 HKD
Retailer 3HK$28,205 HKD
Retailer 14HK$29,970 HKD
Retailer 9HK$35,392 HKD
Retailer 13HK$39,762 HKD
Retailer 16HK$40,084 HKD
Retailer 17HK$42,798 HKD
Retailer 5HK$47,973 HKD
Retailer 10HK$48,934 HKD
Retailer 19HK$53,124 HKD
Retailer 15HK$53,636 HKD
Retailer 11HK$65,346 HKD
Retailer 7HK$67,580 HKD
Do Amore DiamondsHK$100,347 HKD

38 data points across 19 retailers

20 retailersHK$16,335 HKD to HK$100,347 HKD

A
Cheapest Retailer
-
HK$16,335 HKD
$2,082 USD
Final sale: no returns
A
Retailer 2
-
HK$17,496 HKD
$2,230 USD
View
A
Retailer 3
-
HK$18,641 HKD
$2,376 USD
View
A
Retailer 4
-
HK$19,693 HKD
$2,510 USD
View
B+
Retailer 5
-
HK$23,399 HKD
View
B+
Retailer 6
-
HK$25,702 HKD
£2,579 GBP
View
Retailer 7
-
HK$26,150 HKD
£2,624 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
HK$28,205 HKD
$3,595 USD
View
B+
Retailer 9
-
HK$29,970 HKD
€3,638 EUR
View
B+
Retailer 10
-
HK$35,392 HKD
£3,552 GBP
View
B+
Retailer 11
-
HK$39,762 HKD
ZAR 81,873 ZAR
View
Retailer 12
-
HK$40,084 HKD
A$7,860 AUD
View
Price last confirmed 8 days ago
Retailer 13
-
HK$42,798 HKD
$5,455 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
HK$47,973 HKD
$6,115 USD
View
B
Retailer 15
-
HK$48,934 HKD
$6,237 USD
View
Retailer 16
-
HK$53,124 HKD
A$10,417 AUD
View
Price last confirmed 22 days ago
B
Retailer 17
-
HK$53,636 HKD
£5,383 GBP
View
B
Retailer 18
-
HK$65,346 HKD
$8,329 USD
View
B
Retailer 19
-
HK$67,580 HKD
SGD 11,640 SGD
View
Most Expensive
B
Do Amore Diamonds
27-D298A4B97 · Oct 31
HK$100,347 HKD
$12,790 USD
View
19 more retailers have this diamond
Prices start from HK$16,335 HKDSave up to HK$84,012 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
4.05ct Cushion
HK$16,335 HKD