CaratHunter
Plans
Asscher|Lab Grown|IGI

1.28ct E VS1 Asscher Lab Grown Diamond

EX • E/VS1 • IGI LG687519420

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG687519420

Diamond specifications and retailer prices

From £171 GBP
$228 USD
As of October 30, 2026
Save £735 GBP (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £906 GBP at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687519420 or 687519420. Listed at 19 retailers as of October 30, 2026, with prices from £171 to £906, a £735 spread on the same certified stone. Reve Diamonds lists it at £906. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687519420
Dimensions5.98 × 5.94 × 3.96 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.98 mm5.94 mm1.28 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687519420
Side View
Table 64.0%Crown 36.1°Girdle: MediumPavilion 40.1°Culet: NoneDepth 66.7%

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: £350 GBP|Low: £171 GBP|High: £915 GBP|Avg: £469 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
October 30, 2026
Retailer 6£171 GBP
Retailer 15£190 GBP
Retailer 14£239 GBP
Retailer 12£322 GBP
Retailer 7£328 GBP
Retailer 8£339 GBP
Retailer 1£350 GBP
Retailer 4£361 GBP
Retailer 10£371 GBP
Retailer 3£432 GBP
Retailer 13£454 GBP
Retailer 11£465 GBP
Retailer 5£651 GBP
Retailer 2£766 GBP
Retailer 9£894 GBP
Reve Diamonds£906 GBP

42 data points across 16 retailers

19 retailers£171 GBP to £906 GBP

A
Cheapest Retailer
-
£171 GBP
$228 USD
Final sale: no returns
A
Retailer 2
-
£190 GBP
$253 USD
View
Retailer 3
-
£239 GBP
View
Price last confirmed 13 days ago
Retailer 4
-
£322 GBP
ZAR 6,917 ZAR
View
Price last confirmed 7 days ago
A
Retailer 5
-
£328 GBP
$437 USD
View
A
Retailer 6
-
£339 GBP
€430 EUR
View
A
Retailer 7
-
£350 GBP
View
A
Retailer 8
-
£361 GBP
$481 USD
View
A
Retailer 9
-
£371 GBP
View
B+
Retailer 10
-
£432 GBP
$575 USD
View
B+
Retailer 11
-
£439 GBP
$585 USD
View
B+
Retailer 12
-
£443 GBP
$590 USD
View
B+
Retailer 13
-
£454 GBP
$605 USD
View
B+
Retailer 14
-
£465 GBP
A$952 AUD
View
B
Retailer 15
-
£649 GBP
View
B
Retailer 16
-
£651 GBP
$867 USD
View
B
Retailer 17
-
£766 GBP
$1,020 USD
View
B
Retailer 18
-
£894 GBP
View
Most Expensive
B
Reve Diamonds
9BC804422 · Oct 30
£906 GBP
$1,207 USD
View
18 more retailers have this diamond
Prices start from £171 GBPSave up to £735 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
1.28ct Asscher
£171 GBP