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 $228 USD
As of October 28, 2026
Save $979 USD (81%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,207 USD at Reve Diamonds · As of October 28, 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 28, 2026, with prices from $228 to $1,207, a $979 spread on the same certified stone. Reve Diamonds lists it at $1,207. 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
Color
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $464 USD|Low: $228 USD|High: $1,219 USD|Avg: $648 USD|+1.9%
Retailer 1
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 6$228 USD
Retailer 16$253 USD
Retailer 15$319 USD
Retailer 13$428 USD
Retailer 7$437 USD
Retailer 9$452 USD
Retailer 1$464 USD
Retailer 4$481 USD
Retailer 11$493 USD
Retailer 3$575 USD
Retailer 14$605 USD
Retailer 12$619 USD
Retailer 5$867 USD
Retailer 8$930 USD
Retailer 2$1,020 USD
Retailer 10$1,190 USD
Reve Diamonds$1,207 USD

41 data points across 17 retailers

19 retailers$228 USD to $1,207 USD

A
Cheapest Retailer
-
$228 USD
Final sale: no returns
A
Retailer 2
-
$253 USD
View
A
Retailer 3
-
$319 USD
£251 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$428 USD
ZAR 6,917 ZAR
View
A
Retailer 5
-
$437 USD
View
A
Retailer 6
-
$452 USD
€430 EUR
View
A
Retailer 7
-
$464 USD
£366 GBP
View
A
Retailer 8
-
$481 USD
View
A
Retailer 9
-
$493 USD
£389 GBP
View
B+
Retailer 10
-
$575 USD
View
B+
Retailer 11
-
$585 USD
View
B+
Retailer 12
-
$590 USD
View
B+
Retailer 13
-
$605 USD
View
B+
Retailer 14
-
$619 USD
A$952 AUD
View
B
Retailer 15
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$864 USD
£680 GBP
View
B
Retailer 16
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$867 USD
View
B
Retailer 17
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$1,020 USD
View
B
Retailer 18
-
$1,190 USD
£937 GBP
View
Most Expensive
B
Reve Diamonds
9BC804422 · Oct 28
$1,207 USD
View
18 more retailers have this diamond
Prices start from $228 USDSave up to $979 USD

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
$228 USD