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Cushion|Lab Grown|IGI

2.70ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG655444957

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG655444957

Diamond specifications and retailer prices

From £1,025 GBP
$1,365 USD
As of October 28, 2026
Save £4,577 GBP (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,602 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.7ct lab-grown cushion diamond

This 2.7ct lab-grown cushion sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG655444957 or 655444957. Listed at 23 retailers as of October 28, 2026, with prices from £1,025 to £5,602, a £4,577 spread on the same certified stone. Brilliant Earth lists it at £5,602. 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

2.70
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655444957
Dimensions9.45 × 7.57 × 4.86 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
9.45 mm7.57 mm2.70 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655444957
Side View
Table 62.0%Crown 34.4°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 64.2%

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 28
Current: £5,602 GBP|Low: £1,025 GBP|High: £5,760 GBP|Avg: £2,694 GBP|-2.7%
Brilliant Earth
Retailer 2
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Retailer 22
October 29, 2026
Retailer 10£1,025 GBP
Retailer 8£1,063 GBP
Retailer 18£1,194 GBP
Retailer 19£1,230 GBP
Retailer 4£1,238 GBP
Retailer 2£1,542 GBP
Retailer 22£1,553 GBP
Retailer 16£1,705 GBP
Retailer 21£1,836 GBP
Retailer 9£2,213 GBP
Retailer 20£2,526 GBP
Retailer 7£2,563 GBP
Retailer 13£2,741 GBP
Retailer 5£2,943 GBP
Retailer 6£3,339 GBP
Retailer 17£3,431 GBP
Retailer 12£3,555 GBP
Retailer 14£3,724 GBP
Retailer 11£3,852 GBP
Retailer 15£4,220 GBP
Retailer 3£4,999 GBP
Brilliant Earth£5,602 GBP

36 data points across 22 retailers

23 retailers£1,025 GBP to £5,602 GBP

A
Cheapest Retailer
-
£1,025 GBP
$1,365 USD
Final sale: no returns
A
Retailer 2
-
£1,063 GBP
$1,415 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
£1,194 GBP
$1,590 USD
View
A
Retailer 4
-
£1,230 GBP
HK$12,800 HKD
View
A
Retailer 5
-
£1,238 GBP
$1,648 USD
View
A
Retailer 6
-
£1,542 GBP
View
A
Retailer 7
-
£1,553 GBP
$2,068 USD
View
A
Retailer 8
-
£1,705 GBP
€2,162 EUR
View
A
Retailer 9
-
£1,836 GBP
$2,445 USD
View
A
Retailer 10
-
£2,213 GBP
$2,947 USD
View
A
Retailer 11
-
£2,526 GBP
A$5,175 AUD
View
Price last confirmed 7 days ago
A
Retailer 12
-
£2,563 GBP
View
A
Retailer 13
-
£2,741 GBP
ZAR 58,965 ZAR
View
A
Retailer 14
-
£2,943 GBP
$3,919 USD
View
B+
Retailer 15
-
£3,339 GBP
$4,447 USD
View
B+
Retailer 16
-
£3,431 GBP
View
B+
Retailer 17
-
£3,555 GBP
SGD 6,398 SGD
View
B+
Retailer 18
-
£3,724 GBP
$4,959 USD
View
B+
Retailer 19
-
£3,852 GBP
$5,130 USD
View
B+
Retailer 20
-
£3,920 GBP
View
B+
Retailer 21
-
£4,220 GBP
$5,620 USD
View
Price last confirmed 34 days ago
B
Retailer 22
-
£4,999 GBP
A$10,241 AUD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
14268067A · Oct 29
£5,602 GBP
$7,460 USD
View
22 more retailers have this diamond
Prices start from £1,025 GBPSave up to £4,577 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
2.70ct Cushion
£1,025 GBP