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Cushion|Lab Grown|IGI

3.07ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG681578297

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG681578297

Diamond specifications and retailer prices

From £1,148 GBP
$1,529 USD
As of October 29, 2026
Save £6,782 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,930 GBP at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.07ct lab-grown cushion diamond

This 3.07ct 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 LG681578297 or 681578297. Listed at 20 retailers as of October 29, 2026, with prices from £1,148 to £7,930, a £6,782 spread on the same certified stone. Do Amore Diamonds lists it at £7,930. 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

3.07
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578297
Dimensions8.63 × 8.57 × 5.46 mm
L/W Ratio1.01
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
8.63 mm8.57 mm3.07 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578297
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 63.7%

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: £7,930 GBP|Low: £1,106 GBP|High: £7,930 GBP|Avg: £3,162 GBP|+18.4%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 5£1,148 GBP
Retailer 20£1,273 GBP
Retailer 6£1,318 GBP
Retailer 4£1,451 GBP
Retailer 13£1,612 GBP
Retailer 15£1,727 GBP
Retailer 17£1,851 GBP
Retailer 8£1,881 GBP
Retailer 16£2,655 GBP
Retailer 18£2,758 GBP
Retailer 9£2,819 GBP
Retailer 7£3,145 GBP
Retailer 2£3,232 GBP
Retailer 19£3,693 GBP
Retailer 14£4,055 GBP
Retailer 10£4,175 GBP
Retailer 3£4,193 GBP
Retailer 12£5,594 GBP
Retailer 11£7,828 GBP
Do Amore Diamonds£7,930 GBP

32 data points across 20 retailers

20 retailers£1,148 GBP to £7,930 GBP

A
Cheapest Retailer
-
£1,148 GBP
$1,529 USD
Final sale: no returns
A
Retailer 2
-
£1,273 GBP
$1,695 USD
View
A
Retailer 3
-
£1,318 GBP
$1,755 USD
View
A
Retailer 4
-
£1,451 GBP
HK$15,100 HKD
View
A
Retailer 5
-
£1,612 GBP
View
A
Retailer 6
-
£1,727 GBP
$2,300 USD
View
A
Retailer 7
-
£1,851 GBP
€2,347 EUR
View
A
Retailer 8
-
£1,881 GBP
$2,505 USD
View
A
Retailer 9
-
£2,655 GBP
ZAR 57,109 ZAR
View
A
Retailer 10
-
£2,758 GBP
View
Retailer 11
-
£2,819 GBP
A$5,775 AUD
View
Price last confirmed 7 days ago
A
Retailer 12
-
£3,145 GBP
$4,187 USD
View
A
Retailer 13
-
£3,232 GBP
$4,304 USD
View
B+
Retailer 14
-
£3,693 GBP
View
B+
Retailer 15
-
£4,055 GBP
$5,400 USD
View
Retailer 16
-
£4,175 GBP
$5,560 USD
View
Price last confirmed 11 days ago
B+
Retailer 17
-
£4,193 GBP
SGD 7,545 SGD
View
B
Retailer 18
-
£5,594 GBP
$7,450 USD
View
Retailer 19
-
£7,828 GBP
A$16,038 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Do Amore Diamonds
27-A391766E9 · Oct 30
£7,930 GBP
$10,560 USD
View
19 more retailers have this diamond
Prices start from £1,148 GBPSave up to £6,782 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
3.07ct Cushion
£1,148 GBP