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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 $1,644 USD
As of October 28, 2026
Save $7,656 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,211 USD 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $11,211 USD|Low: $1,558 USD|High: $11,233 USD|Avg: $4,531 USD|+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 3$1,644 USD
Retailer 17$1,803 USD
Retailer 6$1,840 USD
Retailer 19$2,061 USD
Retailer 5$2,433 USD
Retailer 13$2,645 USD
Retailer 20$2,651 USD
Retailer 9$2,690 USD
Retailer 2$3,794 USD
Retailer 14$3,947 USD
Retailer 10$4,029 USD
Retailer 8$4,501 USD
Retailer 15$4,691 USD
Retailer 4$4,817 USD
Retailer 11$5,525 USD
Retailer 18$5,973 USD
Retailer 7$6,122 USD
Retailer 12$8,900 USD
Retailer 16$9,300 USD
Novita Diamonds$11,211 USD

33 data points across 20 retailers

20 retailers$1,644 USD to $9,300 USD

A
Cheapest Retailer
-
$1,644 USD
Final sale: no returns
A
Retailer 2
-
$1,803 USD
View
A
Retailer 3
-
$1,840 USD
View
A
Retailer 4
-
$2,061 USD
HK$16,100 HKD
View
A
Retailer 5
-
$2,433 USD
£1,916 GBP
View
A
Retailer 6
-
$2,645 USD
€2,519 EUR
View
A
Retailer 7
-
$2,651 USD
View
A
Retailer 8
-
$2,690 USD
View
A
Retailer 9
-
$3,794 USD
ZAR 61,297 ZAR
View
A
Retailer 10
-
$3,947 USD
£3,108 GBP
View
A
Retailer 11
-
$4,029 USD
A$6,199 AUD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$4,501 USD
View
A
Retailer 13
-
$4,691 USD
£3,694 GBP
View
B+
Retailer 14
-
$4,817 USD
View
B+
Retailer 15
-
$5,525 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$5,973 USD
SGD 8,072 SGD
View
B+
Retailer 17
-
$6,122 USD
View
B
Retailer 18
-
$8,900 USD
View
B
Retailer 19
-
$9,300 USD
View
Most Expensive
B
Novita Diamonds
cert_677521010 · Oct 8
$11,211 USD
A$17,248 AUD
View
Price last confirmed 20 days ago
19 more retailers have this diamond
Prices start from $1,644 USDSave up to $7,656 USD

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
$1,644 USD