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Asscher|Lab Grown|IGI

4.03ct G VS1 Asscher Lab Grown Diamond

EX • G/VS1 • IGI LG831630799

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG831630799

Diamond specifications and retailer prices

From £409 GBP
$548 USD
As of October 31, 2026
Save £2,571 GBP (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,980 GBP at Frank Darling · As of October 30, 2026
View at Frank Darling

About this 4.03ct lab-grown asscher diamond

This 4.03ct 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 LG831630799 or 831630799. Listed at 4 retailers as of October 30, 2026, with prices from £409 to £2,980, a £2,571 spread on the same certified stone. Frank Darling lists it at £2,980. 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

4.03
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831630799
Dimensions8.85 × 8.72 × 5.78 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.85 mm8.72 mm4.03 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831630799
Side View
Table 67.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.4°Culet: NoneDepth 66.3%

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: Oct 31
Current: £2,980 GBP|Low: £409 GBP|High: £2,981 GBP|Avg: £1,182 GBP|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2£409 GBP
Retailer 6£549 GBP
Retailer 3£573 GBP
Retailer 5£757 GBP
Retailer 4£1,903 GBP
Frank Darling£2,980 GBP

10 data points across 6 retailers

4 retailers£409 GBP to £2,980 GBP

A
Cheapest Retailer
-
£409 GBP
$548 USD
Final sale: no returns
B+
Retailer 2
-
£573 GBP
$768 USD
View
Retailer 3
-
£1,903 GBP
$2,550 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Frank Darling
100193724956KD · Oct 30
£2,980 GBP
$3,993 USD
View
3 more retailers have this diamond
Prices start from £409 GBPSave up to £2,571 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
4.03ct Asscher
£409 GBP