Asscher|Lab Grown|IGI

1.29ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG837680656

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG837680656

Diamond specifications and retailer prices

From £139 GBP
$186 USD
As of October 30, 2026
Save £670 GBP (83%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £809 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.29ct lab-grown asscher diamond

This 1.29ct 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 LG837680656 or 837680656. Listed at 8 retailers as of October 29, 2026, with prices from £139 to £809, a £670 spread on the same certified stone. MOH London lists it at £809. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837680656
Dimensions6.07 × 6.05 × 3.86 mm
L/W Ratio1.00
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.07 mm6.05 mm1.29 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837680656
Side View
Table 64.0%Crown 34.5°Girdle: MediumPavilion 43.8°CuletDepth 63.8%

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 30
Current: £809 GBP|Low: £313 GBP|High: £830 GBP|Avg: £555 GBP|-2.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5£326 GBP
Retailer 4£420 GBP
Retailer 6£451 GBP
Retailer 3£552 GBP
Retailer 2£582 GBP
MOH London£809 GBP

20 data points across 6 retailers

8 retailers£139 GBP to £809 GBP

A
Cheapest Retailer
-
£139 GBP
$186 USD
Retailer 2
-
£164 GBP
$220 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
£326 GBP
€416 EUR
View
B+
Retailer 4
-
£420 GBP
A$865 AUD
View
B+
Retailer 5
-
£451 GBP
$604 USD
View
B+
Retailer 6
-
£552 GBP
$740 USD
View
B+
Retailer 7
-
£582 GBP
$780 USD
View
Most Expensive
B
MOH London
LG837680656 · Oct 29
£809 GBP
View
7 more retailers have this diamond
Prices start from £139 GBPSave up to £670 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
1.29ct Asscher
£139 GBP