Asscher|Lab Grown|IGI

3.12ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG847681383

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG847681383

Diamond specifications and retailer prices

From £367 GBP
$492 USD
As of November 1, 2026
Save £2,048 GBP (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,414 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.12ct lab-grown asscher diamond

This 3.12ct lab-grown asscher sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847681383 or 847681383. Listed at 3 retailers as of October 28, 2026, with prices from £367 to £2,414, a £2,048 spread on the same certified stone. Brilliant Earth lists it at £2,414. 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

3.12
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847681383
Dimensions8.08 × 7.93 × 5.32 mm
L/W Ratio1.02
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm7.93 mm3.12 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847681383
Side View
Table 67.0%Crown 39.5°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 67.1%

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: £697 GBP|Low: £367 GBP|High: £712 GBP|Avg: £584 GBP|-1.9%
Retailer 1
Retailer 2
November 2, 2026
Retailer 2£367 GBP
Retailer 1£697 GBP

11 data points across 2 retailers

3 retailers£367 GBP to £2,414 GBP

A
Cheapest Retailer
-
£367 GBP
$492 USD
Final sale: no returns
A
Retailer 2
-
£697 GBP
View
Most Expensive
B
Brilliant Earth
22343939A · Oct 28
£2,414 GBP
$3,240 USD
View
2 more retailers have this diamond
Prices start from £367 GBPSave up to £2,048 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
3.12ct Asscher
£367 GBP