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Cushion|Lab Grown|IGI

1.53ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG781618128

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

Certificate IGI LG781618128

Diamond specifications and retailer prices

From £575 GBP
$771 USD
As of November 2, 2026
Save £1,683 GBP (75%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,258 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown cushion diamond

This 1.53ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG781618128 or 781618128. Listed at 19 retailers as of November 2, 2026, with prices from £575 to £2,258, a £1,683 spread on the same certified stone. Brilliant Earth lists it at £2,258. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781618128
Dimensions7.45 × 6.62 × 4.19 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizeLarge
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
7.45 mm6.62 mm1.53 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781618128
Side View
Table 54.0%Crown 33.8°Girdle: MED-STKPavilion 40.3°Culet: LargeDepth 63.3%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,258 GBP|Low: £505 GBP|High: £2,461 GBP|Avg: £1,203 GBP|-3.2%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 7£505 GBP
Retailer 8£560 GBP
Retailer 3£575 GBP
Retailer 14£578 GBP
Retailer 16£607 GBP
Retailer 15£627 GBP
Retailer 2£753 GBP
Retailer 10£781 GBP
Retailer 11£935 GBP
Retailer 12£1,054 GBP
Retailer 6£1,434 GBP
Retailer 5£1,476 GBP
Retailer 17£1,579 GBP
Retailer 4£1,693 GBP
Retailer 13£1,899 GBP
Retailer 9£2,025 GBP
Brilliant Earth£2,258 GBP

44 data points across 17 retailers

19 retailers£575 GBP to £2,258 GBP

Retailer 1
-
£505 GBP
$678 USD
Price last confirmed 23 days ago
Final sale: no returns
Retailer 2
-
£560 GBP
$751 USD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
£575 GBP
$771 USD
View
B+
Retailer 4
-
£578 GBP
$775 USD
View
B+
Retailer 5
-
£607 GBP
$815 USD
View
B+
Retailer 6
-
£627 GBP
$841 USD
View
B+
Retailer 7
-
£753 GBP
View
B+
Retailer 8
-
£781 GBP
ZAR 16,925 ZAR
View
B
Retailer 9
-
£935 GBP
€1,195 EUR
View
B
Retailer 10
-
£1,054 GBP
A$2,176 AUD
View
Retailer 11
-
£1,233 GBP
$1,655 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
£1,434 GBP
SGD 2,601 SGD
View
B
Retailer 13
-
£1,476 GBP
$1,980 USD
View
B
Retailer 14
-
£1,579 GBP
$2,119 USD
View
Retailer 15
-
£1,624 GBP
View
Price last confirmed 15 days ago
B
Retailer 16
-
£1,693 GBP
$2,272 USD
View
B
Retailer 17
-
£1,899 GBP
View
B
Retailer 18
-
£2,025 GBP
View
Most Expensive
B
Brilliant Earth
18623708A · Nov 2
£2,258 GBP
$3,030 USD
View
18 more retailers have this diamond
Prices start from £575 GBPSave up to £1,683 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.

B+
1.53ct Cushion
£575 GBP