CaratHunter
Plans
Cushion|Lab Grown|IGI

5.54ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG722522545

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

Certificate IGI LG722522545

Diamond specifications and retailer prices

From £1,287 GBP
$1,725 USD
As of October 31, 2026
Save £3,855 GBP (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £5,142 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.54ct lab-grown cushion diamond

This 5.54ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG722522545 or 722522545. Listed at 9 retailers as of October 31, 2026, with prices from £1,287 to £5,142, a £3,855 spread on the same certified stone. Brilliant Earth lists it at £5,142. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.54
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG722522545
Dimensions10.42 × 10.19 × 6.82 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.42 mm10.19 mm5.54 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG722522545
Side View
Table 62.0%Crown 35.2°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 66.9%

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: £5,142 GBP|Low: £1,263 GBP|High: £10,068 GBP|Avg: £2,742 GBP|-48.9%
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
October 31, 2026
Retailer 8£1,263 GBP
Retailer 12£1,287 GBP
Retailer 3£1,369 GBP
Retailer 13£1,459 GBP
Retailer 4£1,485 GBP
Retailer 7£1,558 GBP
Retailer 15£1,748 GBP
Retailer 11£1,855 GBP
Retailer 16£2,198 GBP
Retailer 10£2,305 GBP
Retailer 5£2,662 GBP
Retailer 6£3,376 GBP
Retailer 2£3,778 GBP
Retailer 9£4,280 GBP
Retailer 14£5,070 GBP
Brilliant Earth£5,142 GBP

8 data points across 16 retailers

9 retailers£1,287 GBP to £5,142 GBP

A
Cheapest Retailer
-
£1,287 GBP
$1,725 USD
Final sale: no returns
A
Retailer 2
-
£1,459 GBP
$1,955 USD
View
A
Retailer 3
-
£1,748 GBP
HK$18,300 HKD
View
A
Retailer 4
-
£1,855 GBP
$2,485 USD
View
B+
Retailer 5
-
£2,075 GBP
$2,780 USD
View
B
Retailer 6
-
£3,778 GBP
A$7,788 AUD
View
Retailer 7
-
£4,280 GBP
$5,735 USD
View
Price last confirmed 11 days ago
B
Retailer 8
-
£5,070 GBP
SGD 9,180 SGD
View
Most Expensive
B
Brilliant Earth
21680703Y · Oct 31
£5,142 GBP
$6,890 USD
View
8 more retailers have this diamond
Prices start from £1,287 GBPSave up to £3,855 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
5.54ct Cushion
£1,287 GBP