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Cushion|Lab Grown|IGI

1.97ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG816612943

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

Certificate IGI LG816612943

Diamond specifications and retailer prices

From £587 GBP
$787 USD
As of October 28, 2026
Save £2,711 GBP (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,482 GBP at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.97ct lab-grown cushion diamond

This 1.97ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816612943 or 816612943. Listed at 18 retailers as of October 28, 2026, with a 462% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.97
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816612943
Dimensions7.14 × 7.02 × 4.69 mm
L/W Ratio1.02
Girdle conditionFaceted
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
7.14 mm7.02 mm1.97 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816612943
Side View
Table 62.0%Crown 36.3°Girdle: STK-THKPavilion 35.8°Culet: NoneDepth 66.8%

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 28
Current: £3,482 GBP|Low: £538 GBP|High: £4,709 GBP|Avg: £1,729 GBP|-1.3%
Rare Carat
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
October 30, 2026
Retailer 14£587 GBP
Retailer 9£588 GBP
Retailer 15£690 GBP
Retailer 11£891 GBP
Retailer 17£910 GBP
Retailer 12£1,005 GBP
Retailer 13£1,025 GBP
Retailer 7£1,294 GBP
Retailer 3£1,307 GBP
Retailer 6£1,740 GBP
Retailer 4£1,925 GBP
Retailer 2£2,041 GBP
Retailer 8£2,118 GBP
Retailer 5£2,245 GBP
Retailer 16£2,353 GBP
Retailer 10£3,299 GBP
Rare Carat£3,482 GBP

26 data points across 17 retailers

18 retailers£587 GBP to £3,299 GBP

A
Cheapest Retailer
-
£587 GBP
$787 USD
Final sale: no returns
Retailer 2
-
£588 GBP
$788 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
£690 GBP
$925 USD
View
A
Retailer 4
-
£891 GBP
View
A
Retailer 5
-
£910 GBP
$1,219 USD
View
A
Retailer 6
-
£1,005 GBP
€1,283 EUR
View
A
Retailer 7
-
£1,025 GBP
ZAR 22,183 ZAR
View
A
Retailer 8
-
£1,294 GBP
$1,734 USD
View
A
Retailer 9
-
£1,307 GBP
$1,751 USD
View
B+
Retailer 10
-
£1,740 GBP
View
B+
Retailer 11
-
£1,831 GBP
$2,454 USD
View
B+
Retailer 12
-
£1,925 GBP
$2,579 USD
View
B+
Retailer 13
-
£2,041 GBP
$2,735 USD
View
B+
Retailer 14
-
£2,118 GBP
SGD 3,835 SGD
View
B+
Retailer 15
-
£2,245 GBP
$3,008 USD
View
B+
Retailer 16
-
£2,353 GBP
View
B
Retailer 17
-
£3,299 GBP
$4,420 USD
View
Most Expensive
Rare Carat
PE-223451 · Oct 21
£3,482 GBP
$4,665 USD
View
Price last confirmed 9 days ago
17 more retailers have this diamond
Prices start from £587 GBPSave up to £2,711 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
1.97ct Cushion
£587 GBP