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Asscher|Lab Grown|IGI

10.28ct F VS1 Asscher Lab Grown Diamond

EX • F/VS1 • IGI LG768639443

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG768639443

Diamond specifications and retailer prices

From £1,639 GBP
$2,200 USD
As of November 2, 2026
Save £3,371 GBP (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £5,010 GBP at Michael Trio · As of November 2, 2026
View at Michael Trio

About this 10.28ct lab-grown asscher diamond

This 10.28ct lab-grown asscher sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768639443 or 768639443. Listed at 6 retailers as of November 2, 2026, with prices from £1,639 to £5,010, a £3,371 spread on the same certified stone. Michael Trio lists it at £5,010. 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

10.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768639443
Dimensions12.00 × 11.97 × 7.92 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
12.00 mm11.97 mm10.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768639443
Side View
Table 65.0%Crown 38.7°Girdle: MediumPavilion 40.5°Culet: NoneDepth 66.2%

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 2
Current: £5,010 GBP|Low: £1,639 GBP|High: £15,791 GBP|Avg: £4,932 GBP
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4£1,639 GBP
Retailer 5£1,726 GBP
Retailer 6£2,374 GBP
Retailer 3£2,545 GBP
Retailer 2£2,803 GBP
Retailer 8£3,933 GBP
Michael Trio£5,010 GBP
Retailer 7£5,381 GBP
Retailer 9£6,888 GBP
Retailer 10£15,791 GBP

10 data points across 10 retailers

6 retailers£1,639 GBP to £5,010 GBP

A
Cheapest Retailer
-
£1,639 GBP
$2,200 USD
A
Retailer 2
-
£1,726 GBP
HK$18,100 HKD
View
A
Retailer 3
-
£2,374 GBP
$3,186 USD
View
A
Retailer 4
-
£2,545 GBP
$3,415 USD
View
A
Retailer 5
-
£2,803 GBP
A$5,787 AUD
View
Most Expensive
B+
Michael Trio
3618718460 · Nov 2
£5,010 GBP
SGD 9,086 SGD
View
5 more retailers have this diamond
Prices start from £1,639 GBPSave up to £3,371 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
10.28ct Asscher
£1,639 GBP