Cushion|Lab Grown|IGI

3.30ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG833685427

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833685427

Diamond specifications and retailer prices

From £1,149 GBP
$1,540 USD
As of October 29, 2026
Save £6,948 GBP (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,098 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG833685427 or 833685427. Listed at 11 retailers as of October 29, 2026, with prices from £1,149 to £8,098, a £6,948 spread on the same certified stone. Do Amore Diamonds lists it at £8,098. 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 angle35.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833685427
Dimensions9.46 × 7.90 × 5.44 mm
L/W Ratio1.20
Girdle conditionFaceted
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
9.46 mm7.90 mm3.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833685427
Side View
Table 57.0%Crown 35.8°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 68.9%

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 29
Current: £8,098 GBP|Low: £1,149 GBP|High: £8,232 GBP|Avg: £3,231 GBP|-0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6£1,149 GBP
Retailer 8£1,705 GBP
Retailer 4£1,921 GBP
Retailer 2£1,987 GBP
Retailer 9£2,649 GBP
Retailer 11£3,193 GBP
Retailer 7£3,359 GBP
Retailer 5£3,771 GBP
Retailer 10£4,123 GBP
Retailer 3£4,529 GBP
Do Amore Diamonds£8,098 GBP

17 data points across 11 retailers

11 retailers£1,149 GBP to £8,098 GBP

A
Cheapest Retailer
-
£1,149 GBP
$1,540 USD
A
Retailer 2
-
£1,705 GBP
$2,284 USD
View
A
Retailer 3
-
£1,921 GBP
€2,451 EUR
View
A
Retailer 4
-
£1,987 GBP
$2,663 USD
View
Retailer 5
-
£2,649 GBP
A$5,461 AUD
View
Price last confirmed 8 days ago
Retailer 6
-
£3,193 GBP
$4,278 USD
View
Price last confirmed 14 days ago
B+
Retailer 7
-
£3,359 GBP
$4,501 USD
View
B+
Retailer 8
-
£3,771 GBP
View
Retailer 9
-
£4,123 GBP
$5,525 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£5,881 GBP
$7,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-6166AE744 · Oct 29
£8,098 GBP
$10,850 USD
View
10 more retailers have this diamond
Prices start from £1,149 GBPSave up to £6,948 GBP

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
£1,149 GBP