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Cushion|Lab Grown|IGI

3.30ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG677521010

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG677521010

Diamond specifications and retailer prices

From HK$12,897 HKD
$1,644 USD
As of October 28, 2026
Save HK$60,062 HKD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$87,953 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.3ct lab-grown cushion diamond

This 3.3ct 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 LG677521010 or 677521010. Listed at 20 retailers as of October 28, 2026, with a 466% 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

3.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521010
Dimensions10.04 × 8.01 × 5.22 mm
L/W Ratio1.25
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
10.04 mm8.01 mm3.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521010
Side View
Table 59.0%Crown 33.3°Girdle: MediumPavilion 35°Culet: NoneDepth 65.2%

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 28
Current: HK$87,953 HKD|Low: HK$12,223 HKD|High: HK$88,121 HKD|Avg: HK$35,542 HKD|+1.6%
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 29, 2026
Retailer 3HK$12,897 HKD
Retailer 17HK$14,145 HKD
Retailer 6HK$14,435 HKD
Retailer 19HK$16,167 HKD
Retailer 5HK$19,091 HKD
Retailer 13HK$20,750 HKD
Retailer 20HK$20,797 HKD
Retailer 9HK$21,103 HKD
Retailer 2HK$29,767 HKD
Retailer 14HK$30,966 HKD
Retailer 10HK$31,611 HKD
Retailer 8HK$35,312 HKD
Retailer 15HK$36,804 HKD
Retailer 4HK$37,789 HKD
Retailer 11HK$43,344 HKD
Retailer 18HK$46,861 HKD
Retailer 7HK$48,028 HKD
Retailer 12HK$69,821 HKD
Retailer 16HK$72,959 HKD
Novita DiamondsHK$87,953 HKD

33 data points across 20 retailers

20 retailersHK$12,897 HKD to HK$72,959 HKD

A
Cheapest Retailer
-
HK$12,897 HKD
$1,644 USD
Final sale: no returns
A
Retailer 2
-
HK$14,145 HKD
$1,803 USD
View
A
Retailer 3
-
HK$14,435 HKD
$1,840 USD
View
A
Retailer 4
-
HK$16,167 HKD
View
A
Retailer 5
-
HK$19,091 HKD
£1,916 GBP
View
A
Retailer 6
-
HK$20,750 HKD
€2,519 EUR
View
A
Retailer 7
-
HK$20,797 HKD
$2,651 USD
View
A
Retailer 8
-
HK$21,103 HKD
$2,690 USD
View
A
Retailer 9
-
HK$29,767 HKD
ZAR 61,297 ZAR
View
A
Retailer 10
-
HK$30,966 HKD
£3,108 GBP
View
A
Retailer 11
-
HK$31,611 HKD
A$6,199 AUD
View
Price last confirmed 7 days ago
A
Retailer 12
-
HK$35,312 HKD
$4,501 USD
View
A
Retailer 13
-
HK$36,804 HKD
£3,694 GBP
View
B+
Retailer 14
-
HK$37,789 HKD
$4,817 USD
View
B+
Retailer 15
-
HK$43,344 HKD
$5,525 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
HK$46,861 HKD
SGD 8,072 SGD
View
B+
Retailer 17
-
HK$48,028 HKD
$6,122 USD
View
B
Retailer 18
-
HK$69,821 HKD
$8,900 USD
View
B
Retailer 19
-
HK$72,959 HKD
$9,300 USD
View
Most Expensive
B
Novita Diamonds
cert_677521010 · Oct 8
HK$87,953 HKD
A$17,248 AUD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from HK$12,897 HKDSave up to HK$60,062 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
3.30ct Cushion
HK$12,897 HKD