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Asscher|Lab Grown|IGI

1.28ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG768633286

Certificate IGI LG768633286

Diamond specifications and retailer prices

From £586 GBP
$787 USD
As of November 3, 2026
Save £233 GBP (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £820 GBP at Kay Jewelers · As of November 2, 2026
View at Kay Jewelers

About this 1.28ct lab-grown asscher diamond

This 1.28ct lab-grown asscher sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768633286 or 768633286. Listed at 4 retailers as of November 2, 2026, with prices from £586 to £820, a £233 spread on the same certified stone. Kay Jewelers lists it at £820. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG768633286
Dimensions6.10 × 5.93 × 3.88 mm
L/W Ratio1.03
Top View
6.10 mm5.93 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768633286
Side View
Table 62.0%CrownGirdle: MediumPavilionCulet: NoneDepth 65.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: £820 GBP|Low: £586 GBP|High: £931 GBP|Avg: £814 GBP|-12.0%
Kay Jewelers
Retailer 2
Retailer 3
Retailer 4
September 26, 2026
Retailer 2£586 GBP
Retailer 4£678 GBP
Kay Jewelers£820 GBP
Retailer 3£820 GBP

7 data points across 4 retailers

4 retailers£586 GBP to £820 GBP

B+
Cheapest Retailer
-
£586 GBP
$787 USD
B
Retailer 2
-
£678 GBP
$910 USD
View
B
Retailer 3
-
£820 GBP
$1,100 USD
View
Most Expensive
B
Kay Jewelers
257867129 · Nov 2
£820 GBP
$1,100 USD
View
3 more retailers have this diamond
Prices start from £586 GBPSave up to £233 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+
1.28ct Asscher
£586 GBP