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Cushion|Lab Grown|IGI

1.53ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG522237725

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237725

Diamond specifications and retailer prices

From £210 GBP
As of November 6, 2026
Save £1,172 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,382 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522237725 or 522237725. Listed at 12 retailers as of November 2, 2026, with prices from £210 to £1,382, a £1,172 spread on the same certified stone. Do Amore Diamonds lists it at £1,382. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237725
Dimensions6.69 × 6.61 × 4.45 mm
L/W Ratio1.01
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
6.69 mm6.61 mm1.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237725
Side View
Table 63.5%Crown 35.7°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 67.3%

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: Nov 6
Current: £1,382 GBP|Low: £115 GBP|High: £1,532 GBP|Avg: £543 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12£115 GBP
Retailer 11£210 GBP
Retailer 3£240 GBP
Retailer 9£272 GBP
Retailer 4£298 GBP
Retailer 2£319 GBP
Retailer 10£402 GBP
Retailer 8£681 GBP
Retailer 7£740 GBP
Retailer 6£791 GBP
Retailer 5£1,136 GBP
Do Amore Diamonds£1,382 GBP

24 data points across 12 retailers

12 retailers£210 GBP to £1,382 GBP

A
Cheapest Retailer
-
£210 GBP
B+
Retailer 2
-
£240 GBP
View
A
Retailer 3
-
£272 GBP
View
A
Retailer 4
-
£298 GBP
View
A
Retailer 5
-
£319 GBP
View
A
Retailer 6
-
£402 GBP
View
B+
Retailer 7
-
£650 GBP
View
B+
Retailer 8
-
£681 GBP
View
Retailer 9
-
£740 GBP
View
Price last confirmed 16 days ago
Retailer 10
-
£791 GBP
View
Price last confirmed 11 days ago
B
Retailer 11
-
£1,136 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0B419ED92 · Nov 2
£1,382 GBP
$1,850 USD
View
11 more retailers have this diamond
Prices start from £210 GBPSave up to £1,172 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
1.53ct Cushion
£210 GBP