Cushion|Lab Grown|IGI

1.94ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG816613356

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG816613356

Diamond specifications and retailer prices

From £390 GBP
$522 USD
As of October 31, 2026
Save £2,551 GBP (87%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,941 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.94ct lab-grown cushion diamond

This 1.94ct 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 LG816613356 or 816613356. Listed at 17 retailers as of October 30, 2026, with prices from £390 to £2,941, a £2,551 spread on the same certified stone. Brilliant Earth lists it at £2,941. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.94
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613356
Dimensions9.05 × 6.31 × 4.20 mm
L/W Ratio1.43
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
9.05 mm6.31 mm1.94 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613356
Side View
Table 61.0%Crown 33.4°Girdle: MED-THKPavilion 35°Culet: NoneDepth 66.6%

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 31
Current: £2,941 GBP|Low: £390 GBP|High: £3,448 GBP|Avg: £1,176 GBP|-14.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 2£390 GBP
Retailer 4£432 GBP
Retailer 3£653 GBP
Retailer 9£656 GBP
Retailer 5£676 GBP
Retailer 6£717 GBP
Retailer 11£743 GBP
Retailer 8£1,007 GBP
Retailer 13£1,008 GBP
Retailer 10£1,597 GBP
Retailer 7£1,726 GBP
Retailer 12£2,403 GBP
Brilliant Earth£2,941 GBP

36 data points across 13 retailers

17 retailers£390 GBP to £2,941 GBP

A
Cheapest Retailer
-
£390 GBP
$522 USD
Final sale: no returns
Retailer 2
-
£432 GBP
$579 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
£653 GBP
$875 USD
View
A
Retailer 4
-
£656 GBP
€837 EUR
View
A
Retailer 5
-
£676 GBP
$906 USD
View
A
Retailer 6
-
£717 GBP
View
A
Retailer 7
-
£743 GBP
ZAR 16,086 ZAR
View
A
Retailer 8
-
£1,007 GBP
A$2,076 AUD
View
A
Retailer 9
-
£1,008 GBP
$1,350 USD
View
A
Retailer 10
-
£1,229 GBP
$1,647 USD
View
B+
Retailer 11
-
£1,413 GBP
$1,893 USD
View
B+
Retailer 12
-
£1,510 GBP
$2,023 USD
View
B+
Retailer 13
-
£1,597 GBP
View
B+
Retailer 14
-
£1,726 GBP
$2,312 USD
View
B+
Retailer 15
-
£1,793 GBP
SGD 3,246 SGD
View
Retailer 16
-
£2,403 GBP
$3,220 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21422135A · Oct 30
£2,941 GBP
$3,940 USD
View
16 more retailers have this diamond
Prices start from £390 GBPSave up to £2,551 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
1.94ct Cushion
£390 GBP