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Cushion|Lab Grown|IGI

3.07ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG729590207

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG729590207

Diamond specifications and retailer prices

From £1,141 GBP
$1,529 USD
As of October 29, 2026
Save £6,740 GBP (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £7,881 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 LG729590207 or 729590207. Listed at 20 retailers as of October 29, 2026, with prices from £1,141 to £7,881, a £6,740 spread on the same certified stone. Do Amore Diamonds lists it at £7,881. 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 angle35.7°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590207
Dimensions9.77 × 7.79 × 5.13 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
9.77 mm7.79 mm3.07 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590207
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 65.9%

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: £7,881 GBP|Low: £1,141 GBP|High: £7,881 GBP|Avg: £3,464 GBP|+6.9%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 30, 2026
Retailer 5£1,141 GBP
Retailer 2£1,217 GBP
Retailer 7£1,418 GBP
Retailer 4£1,443 GBP
Retailer 14£1,602 GBP
Retailer 16£1,717 GBP
Retailer 18£1,839 GBP
Retailer 11£2,071 GBP
Retailer 17£2,638 GBP
Retailer 19£2,741 GBP
Retailer 8£3,104 GBP
Retailer 6£3,125 GBP
Retailer 13£3,212 GBP
Retailer 20£3,670 GBP
Retailer 15£4,030 GBP
Retailer 9£4,150 GBP
Retailer 3£4,167 GBP
Retailer 12£5,560 GBP
Retailer 10£7,780 GBP
Do Amore Diamonds£7,881 GBP

32 data points across 20 retailers

20 retailers£1,141 GBP to £7,881 GBP

A
Cheapest Retailer
-
£1,141 GBP
$1,529 USD
Final sale: no returns
A
Retailer 2
-
£1,217 GBP
$1,630 USD
View
A
Retailer 3
-
£1,418 GBP
$1,900 USD
View
A
Retailer 4
-
£1,443 GBP
HK$15,100 HKD
View
A
Retailer 5
-
£1,602 GBP
View
A
Retailer 6
-
£1,717 GBP
$2,300 USD
View
A
Retailer 7
-
£1,839 GBP
€2,347 EUR
View
A
Retailer 8
-
£2,071 GBP
$2,775 USD
View
A
Retailer 9
-
£2,638 GBP
ZAR 57,109 ZAR
View
A
Retailer 10
-
£2,741 GBP
View
Retailer 11
-
£3,104 GBP
A$6,398 AUD
View
Price last confirmed 8 days ago
A
Retailer 12
-
£3,125 GBP
$4,187 USD
View
A
Retailer 13
-
£3,212 GBP
$4,304 USD
View
B+
Retailer 14
-
£3,670 GBP
View
B+
Retailer 15
-
£4,030 GBP
$5,400 USD
View
Retailer 16
-
£4,150 GBP
$5,560 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£4,167 GBP
SGD 7,545 SGD
View
B+
Retailer 18
-
£5,560 GBP
$7,450 USD
View
Retailer 19
-
£7,780 GBP
A$16,038 AUD
View
Price last confirmed 22 days ago
Most Expensive
B
Do Amore Diamonds
27-15EF6925D · Oct 30
£7,881 GBP
$10,560 USD
View
19 more retailers have this diamond
Prices start from £1,141 GBPSave up to £6,740 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
£1,141 GBP