CaratHunter
Plans
Cushion|Lab Grown|IGI

3.04ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG670484774

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG670484774

Diamond specifications and retailer prices

From £1,150 GBP
$1,541 USD
As of October 31, 2026
Save £5,074 GBP (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £6,224 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct 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 LG670484774 or 670484774. Listed at 22 retailers as of October 29, 2026, with prices from £1,150 to £6,224, a £5,074 spread on the same certified stone. Brilliant Earth lists it at £6,224. 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

3.04
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670484774
Dimensions9.84 × 7.88 × 4.96 mm
L/W Ratio1.25
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
9.84 mm7.88 mm3.04 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG670484774
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 33.7°Culet: NoneDepth 62.9%

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 31
Current: £6,224 GBP|Low: £1,150 GBP|High: £7,722 GBP|Avg: £2,871 GBP
Brilliant Earth
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
Retailer 21
October 31, 2026
Retailer 9£1,150 GBP
Retailer 6£1,192 GBP
Retailer 20£1,321 GBP
Retailer 3£1,358 GBP
Retailer 17£1,376 GBP
Retailer 2£1,682 GBP
Retailer 21£1,776 GBP
Retailer 15£1,914 GBP
Retailer 19£1,987 GBP
Retailer 8£2,228 GBP
Retailer 18£2,696 GBP
Retailer 13£2,768 GBP
Retailer 7£2,878 GBP
Retailer 4£3,282 GBP
Retailer 16£3,423 GBP
Retailer 5£3,694 GBP
Retailer 11£3,989 GBP
Retailer 12£4,191 GBP
Retailer 10£4,335 GBP
Brilliant Earth£6,224 GBP
Retailer 14£7,722 GBP

36 data points across 21 retailers

22 retailers£1,150 GBP to £6,224 GBP

A
Cheapest Retailer
-
£1,150 GBP
$1,541 USD
Final sale: no returns
Retailer 2
-
£1,192 GBP
$1,597 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£1,321 GBP
$1,770 USD
View
A
Retailer 4
-
£1,358 GBP
$1,819 USD
View
A
Retailer 5
-
£1,376 GBP
HK$14,400 HKD
View
A
Retailer 6
-
£1,682 GBP
View
A
Retailer 7
-
£1,776 GBP
$2,380 USD
View
A
Retailer 8
-
£1,914 GBP
€2,443 EUR
View
A
Retailer 9
-
£1,987 GBP
$2,663 USD
View
A
Retailer 10
-
£2,228 GBP
$2,985 USD
View
Retailer 11
-
£2,696 GBP
A$5,558 AUD
View
Price last confirmed 9 days ago
A
Retailer 12
-
£2,768 GBP
ZAR 59,917 ZAR
View
A
Retailer 13
-
£2,878 GBP
View
B+
Retailer 14
-
£3,282 GBP
$4,397 USD
View
B+
Retailer 15
-
£3,423 GBP
View
B+
Retailer 16
-
£3,694 GBP
$4,949 USD
View
B+
Retailer 17
-
£3,989 GBP
SGD 7,223 SGD
View
B+
Retailer 18
-
£4,191 GBP
$5,616 USD
View
Retailer 19
-
£4,301 GBP
$5,762 USD
View
Price last confirmed 88 days ago
B+
Retailer 20
-
£4,335 GBP
$5,808 USD
View
Retailer 21
-
£4,502 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
Brilliant Earth
14267754A · Oct 29
£6,224 GBP
$8,340 USD
View
21 more retailers have this diamond
Prices start from £1,150 GBPSave up to £5,074 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
3.04ct Cushion
£1,150 GBP