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Asscher|Lab Grown|IGI

13.18ct G VS1 Asscher Lab Grown Diamond

ID • G/VS1 • IGI LG617419434

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG617419434

Diamond specifications and retailer prices

From £2,558 GBP
As of October 30, 2026
Save £13,421 GBP (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £15,979 GBP at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 13.18ct lab-grown asscher diamond

This 13.18ct lab-grown asscher sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG617419434 or 617419434. Listed at 14 retailers as of October 30, 2026, with prices from £2,558 to £15,979, a £13,421 spread on the same certified stone. Brilliant Earth lists it at £15,979. 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

13.18
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG617419434
Dimensions13.04 × 12.65 × 8.20 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm12.65 mm13.18 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG617419434
Side View
Table 67.0%Crown 38.7°Girdle: Slightly ThickPavilion 39°Culet: NoneDepth 64.8%

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: £15,979 GBP|Low: £2,550 GBP|High: £16,472 GBP|Avg: £5,781 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4£2,558 GBP
Retailer 9£3,176 GBP
Retailer 11£3,355 GBP
Retailer 2£4,116 GBP
Retailer 7£4,586 GBP
Retailer 3£4,879 GBP
Retailer 5£4,915 GBP
Retailer 8£4,956 GBP
Retailer 6£5,042 GBP
Retailer 10£7,990 GBP
Brilliant Earth£15,979 GBP

38 data points across 11 retailers

14 retailers£2,558 GBP to £15,979 GBP

A
Cheapest Retailer
-
£2,558 GBP
Retailer 2
-
£3,176 GBP
$4,255 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£3,291 GBP
$4,410 USD
View
A
Retailer 4
-
£3,355 GBP
$4,495 USD
View
A
Retailer 5
-
£4,116 GBP
View
A
Retailer 6
-
£4,586 GBP
$6,145 USD
View
B+
Retailer 7
-
£4,879 GBP
View
B+
Retailer 8
-
£4,915 GBP
ZAR 106,388 ZAR
View
Retailer 9
-
£4,956 GBP
$6,640 USD
View
Price last confirmed 13 days ago
B+
Retailer 10
-
£5,042 GBP
€6,434 EUR
View
B
Retailer 11
-
£7,864 GBP
$10,537 USD
View
B
Retailer 12
-
£7,990 GBP
$10,706 USD
View
B
Retailer 13
-
£11,207 GBP
$15,016 USD
View
Most Expensive
B
Brilliant Earth
16422723A · Oct 30
£15,979 GBP
$21,410 USD
View
13 more retailers have this diamond
Prices start from £2,558 GBPSave up to £13,421 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
13.18ct Asscher
£2,558 GBP