Cushion|Lab Grown|IGI

2.97ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG743538320

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG743538320

Diamond specifications and retailer prices

From £1,120 GBP
$1,488 USD
As of October 29, 2026
Save £5,044 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £6,164 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 2.97ct lab-grown cushion diamond

This 2.97ct 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 LG743538320 or 743538320. Listed at 21 retailers as of October 28, 2026, with prices from £1,120 to £6,164, a £5,044 spread on the same certified stone. Brilliant Earth lists it at £6,164. 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

2.97
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743538320
Dimensions9.84 × 7.75 × 4.99 mm
L/W Ratio1.27
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 mm7.75 mm2.97 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743538320
Side View
Table 60.0%Crown 33.5°Girdle: MED-STKPavilion 34.5°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: £6,164 GBP|Low: £1,120 GBP|High: £6,171 GBP|Avg: £3,001 GBP|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
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Retailer 20
October 29, 2026
Retailer 13£1,120 GBP
Retailer 3£1,291 GBP
Retailer 17£1,328 GBP
Retailer 18£1,416 GBP
Retailer 14£1,595 GBP
Retailer 16£1,629 GBP
Retailer 19£1,747 GBP
Retailer 2£2,546 GBP
Retailer 4£2,643 GBP
Retailer 5£2,759 GBP
Retailer 10£2,799 GBP
Retailer 9£3,009 GBP
Retailer 6£3,329 GBP
Retailer 20£3,610 GBP
Retailer 15£3,748 GBP
Retailer 11£4,076 GBP
Retailer 7£4,088 GBP
Retailer 8£4,445 GBP
Retailer 12£5,758 GBP
Brilliant Earth£6,164 GBP

29 data points across 20 retailers

21 retailers£1,120 GBP to £6,164 GBP

A
Cheapest Retailer
-
£1,120 GBP
$1,488 USD
Final sale: no returns
A
Retailer 2
-
£1,291 GBP
$1,715 USD
View
A
Retailer 3
-
£1,328 GBP
$1,765 USD
View
A
Retailer 4
-
£1,416 GBP
HK$14,700 HKD
View
A
Retailer 5
-
£1,595 GBP
€2,019 EUR
View
A
Retailer 6
-
£1,629 GBP
View
A
Retailer 7
-
£1,747 GBP
$2,322 USD
View
A
Retailer 8
-
£2,546 GBP
ZAR 54,661 ZAR
View
A
Retailer 9
-
£2,643 GBP
$3,512 USD
View
A
Retailer 10
-
£2,759 GBP
A$5,640 AUD
View
A
Retailer 11
-
£2,799 GBP
View
A
Retailer 12
-
£3,009 GBP
$3,999 USD
View
B+
Retailer 13
-
£3,329 GBP
$4,424 USD
View
B+
Retailer 14
-
£3,610 GBP
$4,797 USD
View
B+
Retailer 15
-
£3,748 GBP
View
B+
Retailer 16
-
£4,047 GBP
$5,377 USD
View
Price last confirmed 53 days ago
B+
Retailer 17
-
£4,076 GBP
$5,416 USD
View
B+
Retailer 18
-
£4,088 GBP
SGD 7,341 SGD
View
B+
Retailer 19
-
£4,445 GBP
$5,906 USD
View
B
Retailer 20
-
£5,758 GBP
A$11,770 AUD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
16656384A · Oct 28
£6,164 GBP
$8,190 USD
View
20 more retailers have this diamond
Prices start from £1,120 GBPSave up to £5,044 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
2.97ct Cushion
£1,120 GBP