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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 $1,675 USD
As of October 29, 2026
Save $8,685 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $10,360 USD 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 $1,675 to $10,360, a $8,685 spread on the same certified stone. Novita Diamonds lists it at $10,360. 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
Color
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

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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 29
Current: $10,360 USD|Low: $1,597 USD|High: $10,382 USD|Avg: $4,636 USD|+1.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
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Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
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Retailer 18
Retailer 19
Retailer 20
October 30, 2026
Retailer 6$1,675 USD
Retailer 2$1,742 USD
Retailer 10$1,890 USD
Retailer 5$2,099 USD
Retailer 17$2,297 USD
Retailer 15$2,357 USD
Retailer 19$2,694 USD
Retailer 11$2,758 USD
Retailer 18$3,877 USD
Retailer 20$4,039 USD
Retailer 8$4,132 USD
Retailer 7$4,563 USD
Retailer 14$4,666 USD
Retailer 3$4,794 USD
Retailer 9$5,525 USD
Retailer 16$5,917 USD
Retailer 4$6,078 USD
Retailer 12$7,400 USD
Retailer 13$8,970 USD
Novita Diamonds$10,360 USD

32 data points across 20 retailers

20 retailers$1,675 USD to $10,360 USD

A
Cheapest Retailer
-
$1,675 USD
Final sale: no returns
A
Retailer 2
-
$1,742 USD
View
A
Retailer 3
-
$1,890 USD
View
A
Retailer 4
-
$2,099 USD
HK$16,400 HKD
View
A
Retailer 5
-
$2,297 USD
View
A
Retailer 6
-
$2,357 USD
£1,856 GBP
View
A
Retailer 7
-
$2,694 USD
€2,566 EUR
View
A
Retailer 8
-
$2,758 USD
View
A
Retailer 9
-
$3,877 USD
ZAR 62,635 ZAR
View
A
Retailer 10
-
$4,039 USD
£3,180 GBP
View
Retailer 11
-
$4,132 USD
A$6,357 AUD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$4,563 USD
View
B+
Retailer 13
-
$4,666 USD
View
B+
Retailer 14
-
$4,794 USD
£3,775 GBP
View
Retailer 15
-
$5,525 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$5,917 USD
View
B+
Retailer 17
-
$6,078 USD
SGD 8,213 SGD
View
B+
Retailer 18
-
$7,400 USD
View
B
Retailer 19
-
$8,970 USD
View
Most Expensive
B
Novita Diamonds
cert_729590148 · Oct 8
$10,360 USD
A$15,939 AUD
View
19 more retailers have this diamond
Prices start from $1,675 USDSave up to $8,685 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
3.05ct Cushion
$1,675 USD