Asscher|Lab Grown|IGI

3.18ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG655448699

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG655448699

Diamond specifications and retailer prices

From £1,280 GBP
As of October 29, 2026
3 retailers carry this diamond
Most expensive: £2,299 GBP at Brilliant Earth · As of September 29, 2026
View at Brilliant Earth

About this 3.18ct lab-grown asscher diamond

This 3.18ct lab-grown asscher 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 LG655448699 or 655448699. Listed at 3 retailers as of October 29, 2026. 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

3.18
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG655448699
Dimensions7.94 × 7.94 × 5.40 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.94 mm7.94 mm3.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG655448699
Side View
Table 66.0%Crown 36.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 68.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: £2,299 GBP|Low: £237 GBP|High: £2,314 GBP|Avg: £1,128 GBP|-0.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
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Retailer 14
October 12, 2026
Retailer 7£363 GBP
Retailer 5£512 GBP
Retailer 10£627 GBP
Retailer 2£679 GBP
Retailer 9£687 GBP
Retailer 8£866 GBP
Retailer 11£889 GBP
Retailer 4£1,025 GBP
Retailer 13£1,149 GBP
Retailer 6£1,510 GBP
Retailer 3£1,672 GBP
Retailer 12£1,724 GBP
Retailer 14£1,814 GBP
Brilliant Earth£2,299 GBP

10 data points across 14 retailers

3 retailers

B+
Cheapest Retailer
-
£1,280 GBP
Retailer 2
-
£1,724 GBP
$2,310 USD
View
Price last confirmed 52 days ago
Most Expensive
Brilliant Earth
11941133A · Sep 29
£2,299 GBP
$3,080 USD
View
Price last confirmed 32 days ago
2 more retailers have this diamond
Prices start from £1,280 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+
3.18ct Asscher
£1,280 GBP