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Cushion|Lab Grown|IGI

3.53ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG829610880

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG829610880

Diamond specifications and retailer prices

From £459 GBP
HK$4,800 HKD
As of November 1, 2026
Save £1,885 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,343 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.53ct lab-grown cushion diamond

This 3.53ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG829610880 or 829610880. Listed at 19 retailers as of October 31, 2026, with prices from £459 to £2,343, a £1,885 spread on the same certified stone. Brilliant Earth lists it at £2,343. 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

3.53
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG829610880
Dimensions10.65 × 7.74 × 4.89 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.65 mm7.74 mm3.53 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG829610880
Side View
Table 62.0%Crown 35.1°Girdle: MED-THKPavilion 33.1°Culet: NoneDepth 63.2%

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 1
Current: £2,343 GBP|Low: £387 GBP|High: £2,478 GBP|Avg: £1,139 GBP|-5.4%
Brilliant Earth
Retailer 2
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October 31, 2026
Retailer 10£387 GBP
Retailer 16£459 GBP
Retailer 18£480 GBP
Retailer 2£632 GBP
Retailer 17£649 GBP
Retailer 4£666 GBP
Retailer 6£673 GBP
Retailer 19£709 GBP
Retailer 5£911 GBP
Retailer 3£926 GBP
Retailer 11£947 GBP
Retailer 14£985 GBP
Retailer 13£1,319 GBP
Retailer 9£1,406 GBP
Retailer 7£1,522 GBP
Retailer 20£1,583 GBP
Retailer 8£1,611 GBP
Retailer 12£1,776 GBP
Retailer 15£1,803 GBP
Brilliant Earth£2,343 GBP

34 data points across 20 retailers

19 retailers£459 GBP to £2,343 GBP

A
Cheapest Retailer
-
£459 GBP
HK$4,800 HKD
A
Retailer 2
-
£480 GBP
View
A
Retailer 3
-
£632 GBP
€806 EUR
View
A
Retailer 4
-
£649 GBP
$870 USD
View
A
Retailer 5
-
£666 GBP
$893 USD
View
B+
Retailer 6
-
£673 GBP
$902 USD
View
A
Retailer 7
-
£709 GBP
View
A
Retailer 8
-
£911 GBP
$1,220 USD
View
Retailer 9
-
£926 GBP
ZAR 20,039 ZAR
View
Price last confirmed 8 days ago
Retailer 10
-
£947 GBP
A$1,952 AUD
View
Price last confirmed 12 days ago
A
Retailer 11
-
£985 GBP
$1,320 USD
View
A
Retailer 12
-
£1,319 GBP
SGD 2,389 SGD
View
B+
Retailer 13
-
£1,406 GBP
$1,884 USD
View
Retailer 14
-
£1,522 GBP
$2,039 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
£1,583 GBP
View
B+
Retailer 16
-
£1,611 GBP
$2,158 USD
View
Retailer 17
-
£1,776 GBP
$2,380 USD
View
Price last confirmed 13 days ago
B+
Retailer 18
-
£1,803 GBP
$2,416 USD
View
Most Expensive
B
Brilliant Earth
21273527A · Oct 31
£2,343 GBP
$3,140 USD
View
18 more retailers have this diamond
Prices start from £459 GBPSave up to £1,885 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
3.53ct Cushion
£459 GBP