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Cushion|Lab Grown|IGI

1.93ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG680535679

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG680535679

Diamond specifications and retailer prices

From £590 GBP
$790 USD
As of October 31, 2026
Save £2,836 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,426 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.93ct lab-grown cushion diamond

This 1.93ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG680535679 or 680535679. Listed at 19 retailers as of October 30, 2026, with prices from £590 to £3,426, a £2,836 spread on the same certified stone. Brilliant Earth lists it at £3,426. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.93
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680535679
Dimensions8.09 × 6.73 × 4.56 mm
L/W Ratio1.20
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
8.09 mm6.73 mm1.93 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680535679
Side View
Table 60.0%Crown 37.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 67.8%

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 31
Current: £3,426 GBP|Low: £590 GBP|High: £4,336 GBP|Avg: £1,708 GBP|-18.6%
Brilliant Earth
Retailer 2
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Retailer 19
October 31, 2026
Retailer 6£590 GBP
Retailer 17£707 GBP
Retailer 16£754 GBP
Retailer 11£775 GBP
Retailer 19£803 GBP
Retailer 13£976 GBP
Retailer 2£979 GBP
Retailer 7£993 GBP
Retailer 15£1,123 GBP
Retailer 3£1,278 GBP
Retailer 12£1,521 GBP
Retailer 18£1,899 GBP
Retailer 10£1,979 GBP
Retailer 9£2,057 GBP
Retailer 8£2,095 GBP
Retailer 4£2,107 GBP
Retailer 14£2,412 GBP
Retailer 5£2,418 GBP
Brilliant Earth£3,426 GBP

42 data points across 19 retailers

19 retailers£590 GBP to £3,426 GBP

A
Cheapest Retailer
-
£590 GBP
$790 USD
Final sale: no returns
A
Retailer 2
-
£707 GBP
HK$7,400 HKD
View
A
Retailer 3
-
£754 GBP
$1,010 USD
View
Retailer 4
-
£775 GBP
$1,038 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£803 GBP
$1,076 USD
View
A
Retailer 6
-
£976 GBP
€1,246 EUR
View
A
Retailer 7
-
£979 GBP
View
A
Retailer 8
-
£993 GBP
$1,331 USD
View
A
Retailer 9
-
£1,123 GBP
ZAR 24,309 ZAR
View
A
Retailer 10
-
£1,278 GBP
$1,712 USD
View
B+
Retailer 11
-
£1,521 GBP
A$3,136 AUD
View
B+
Retailer 12
-
£1,899 GBP
View
B+
Retailer 13
-
£1,979 GBP
$2,652 USD
View
B+
Retailer 14
-
£2,057 GBP
SGD 3,725 SGD
View
B+
Retailer 15
-
£2,095 GBP
$2,807 USD
View
B+
Retailer 16
-
£2,107 GBP
$2,823 USD
View
B+
Retailer 17
-
£2,412 GBP
View
Retailer 18
-
£2,418 GBP
$3,240 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
19056334A · Oct 30
£3,426 GBP
$4,590 USD
View
18 more retailers have this diamond
Prices start from £590 GBPSave up to £2,836 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
1.93ct Cushion
£590 GBP