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Cushion|Lab Grown|IGI

3.73ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG678555648

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678555648

Diamond specifications and retailer prices

From £506 GBP
HK$5,300 HKD
As of October 30, 2026
Save £1,212 GBP (71%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,719 GBP at Brilliance · As of October 30, 2026
View at Brilliance

About this 3.73ct lab-grown cushion diamond

This 3.73ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678555648 or 678555648. Listed at 8 retailers as of October 30, 2026, with prices from £506 to £1,719, a £1,212 spread on the same certified stone. Brilliance lists it at £1,719. 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

3.73
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678555648
Dimensions9.04 × 9.00 × 6.03 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.04 mm9.00 mm3.73 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678555648
Side View
Table 65.0%Crown 35.4°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £1,719 GBP|Low: £506 GBP|High: £3,228 GBP|Avg: £1,459 GBP
Brilliance
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 30, 2026
Retailer 9£506 GBP
Retailer 2£520 GBP
Retailer 7£563 GBP
Retailer 8£702 GBP
Retailer 11£714 GBP
Retailer 6£764 GBP
Retailer 12£851 GBP
Retailer 10£932 GBP
Brilliance£1,719 GBP
Retailer 4£2,345 GBP
Retailer 5£2,498 GBP
Retailer 3£3,127 GBP
Retailer 13£3,228 GBP

3 data points across 13 retailers

8 retailers£506 GBP to £1,719 GBP

A
Cheapest Retailer
-
£506 GBP
HK$5,300 HKD
A
Retailer 2
-
£520 GBP
View
A
Retailer 3
-
£563 GBP
$755 USD
View
A
Retailer 4
-
£702 GBP
$941 USD
View
B+
Retailer 5
-
£714 GBP
$957 USD
View
A
Retailer 6
-
£764 GBP
View
A
Retailer 7
-
£932 GBP
$1,249 USD
View
Most Expensive
B+
Brilliance
D28760213 · Oct 30
£1,719 GBP
$2,303 USD
View
7 more retailers have this diamond
Prices start from £506 GBPSave up to £1,212 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
3.73ct Cushion
£506 GBP