Asscher|Lab Grown|IGI

1.28ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG691578071

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG691578071

Diamond specifications and retailer prices

From $238 USD
As of October 28, 2026
Save $999 USD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,237 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG691578071 or 691578071. Listed at 15 retailers as of October 28, 2026, with prices from $238 to $1,237, a $999 spread on the same certified stone. Reve Diamonds lists it at $1,237. 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691578071
Dimensions5.95 × 5.90 × 4.03 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
5.95 mm5.90 mm1.28 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691578071
Side View
Table 64.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 68.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $489 USD|Low: $238 USD|High: $1,243 USD|Avg: $645 USD|+3.0%
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
Reve Diamonds
October 29, 2026
Retailer 3$238 USD
Retailer 12$356 USD
Retailer 8$455 USD
Retailer 4$455 USD
Retailer 7$458 USD
Retailer 1$489 USD
Retailer 6$516 USD
Retailer 13$546 USD
Retailer 14$585 USD
Retailer 9$647 USD
Retailer 10$705 USD
Retailer 2$904 USD
Retailer 5$970 USD
Retailer 11$1,067 USD
Reve Diamonds$1,237 USD

39 data points across 15 retailers

15 retailers$238 USD to $1,237 USD

A
Cheapest Retailer
-
$238 USD
Final sale: no returns
A
Retailer 2
-
$356 USD
£280 GBP
View
Price last confirmed 12 days ago
A
Retailer 3
-
$455 USD
ZAR 7,348 ZAR
View
A
Retailer 4
-
$455 USD
View
A
Retailer 5
-
$458 USD
€436 EUR
View
A
Retailer 6
-
$489 USD
£385 GBP
View
B+
Retailer 7
-
$516 USD
View
B+
Retailer 8
-
$546 USD
£430 GBP
View
B+
Retailer 9
-
$585 USD
View
B+
Retailer 10
-
$647 USD
A$996 AUD
View
B+
Retailer 11
-
$705 USD
View
B
Retailer 12
-
$904 USD
View
B
Retailer 13
-
$970 USD
View
B
Retailer 14
-
$1,067 USD
£840 GBP
View
Most Expensive
B
Reve Diamonds
7194B7F53 · Oct 28
$1,237 USD
View
14 more retailers have this diamond
Prices start from $238 USDSave up to $999 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
$238 USD