Cushion|Lab Grown|IGI

3.29ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG726512041

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG726512041

Diamond specifications and retailer prices

From £1,278 GBP
$1,712 USD
As of October 29, 2026
Save £5,491 GBP (81%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £8,357 GBP at Novita Diamonds · As of October 5, 2026
View at Novita Diamonds

About this 3.29ct lab-grown cushion diamond

This 3.29ct 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 LG726512041 or 726512041. Listed at 23 retailers as of October 29, 2026, with a 430% 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

3.29
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726512041
Dimensions10.10 × 8.15 × 5.25 mm
L/W Ratio1.24
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
10.10 mm8.15 mm3.29 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726512041
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 64.4%

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: £8,357 GBP|Low: £1,278 GBP|High: £8,740 GBP|Avg: £3,235 GBP
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 11£1,278 GBP
Retailer 7£1,324 GBP
Retailer 21£1,452 GBP
Retailer 4£1,487 GBP
Retailer 18£1,528 GBP
Retailer 13£1,580 GBP
Retailer 2£1,871 GBP
Retailer 3£1,970 GBP
Retailer 16£2,099 GBP
Retailer 10£2,585 GBP
Retailer 19£2,995 GBP
Retailer 15£3,075 GBP
Retailer 8£3,196 GBP
Retailer 5£3,402 GBP
Retailer 17£3,802 GBP
Retailer 6£4,057 GBP
Retailer 20£4,411 GBP
Retailer 14£4,655 GBP
Retailer 12£4,825 GBP
Retailer 9£6,769 GBP
Novita Diamonds£8,357 GBP

29 data points across 21 retailers

23 retailers£1,278 GBP to £6,769 GBP

A
Cheapest Retailer
-
£1,278 GBP
$1,712 USD
Final sale: no returns
Retailer 2
-
£1,324 GBP
$1,774 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£1,452 GBP
$1,945 USD
View
A
Retailer 4
-
£1,487 GBP
$1,993 USD
View
A
Retailer 5
-
£1,528 GBP
HK$16,000 HKD
View
A
Retailer 6
-
£1,580 GBP
View
A
Retailer 7
-
£1,871 GBP
View
A
Retailer 8
-
£1,970 GBP
$2,640 USD
View
A
Retailer 9
-
£2,099 GBP
€2,678 EUR
View
A
Retailer 10
-
£2,585 GBP
$3,464 USD
View
Retailer 11
-
£2,995 GBP
A$6,174 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
£3,075 GBP
ZAR 66,561 ZAR
View
A
Retailer 13
-
£3,196 GBP
View
A
Retailer 14
-
£3,402 GBP
$4,558 USD
View
B+
Retailer 15
-
£3,802 GBP
View
B+
Retailer 16
-
£4,057 GBP
$5,436 USD
View
Retailer 17
-
£4,411 GBP
$5,910 USD
View
Price last confirmed 9 days ago
Retailer 18
-
£4,534 GBP
$6,075 USD
View
Price last confirmed 36 days ago
B+
Retailer 19
-
£4,655 GBP
$6,237 USD
View
B+
Retailer 20
-
£4,825 GBP
$6,465 USD
View
Retailer 21
-
£4,900 GBP
View
Price last confirmed 20 days ago
B+
Retailer 22
-
£6,769 GBP
$9,070 USD
View
Most Expensive
Novita Diamonds
cert_726512041 · Oct 5
£8,357 GBP
A$17,226 AUD
View
Price last confirmed 26 days ago
22 more retailers have this diamond
Prices start from £1,278 GBPSave up to £5,491 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
3.29ct Cushion
£1,278 GBP