Asscher|Lab Grown|IGI

1.28ct D VVS1 Asscher Lab Grown Diamond

ID • D/VVS1 • IGI LG840634542

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG840634542

Diamond specifications and retailer prices

From $239 USD
As of October 25, 2026
Save $1,151 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,390 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840634542 or 840634542. Listed at 21 retailers as of October 24, 2026, with prices from $239 to $1,390, a $1,151 spread on the same certified stone. Brilliant Earth lists it at $1,390. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.7°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634542
Dimensions6.12 × 6.09 × 3.79 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
6.12 mm6.09 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634542
Side View
Table 60.0%Crown 28.7°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: $1,390 USD|Low: $204 USD|High: $1,390 USD|Avg: $605 USD
Brilliant Earth
Retailer 2
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Retailer 22
October 27, 2026
Retailer 14$204 USD
Retailer 17$216 USD
Retailer 11$237 USD
Retailer 3$239 USD
Retailer 6$239 USD
Retailer 19$273 USD
Retailer 4$417 USD
Retailer 2$419 USD
Retailer 18$422 USD
Retailer 10$428 USD
Retailer 13$488 USD
Retailer 20$527 USD
Retailer 9$618 USD
Retailer 21$635 USD
Retailer 5$769 USD
Retailer 16$771 USD
Retailer 8$814 USD
Retailer 22$822 USD
Retailer 15$860 USD
Retailer 12$1,075 USD
Retailer 7$1,119 USD
Brilliant Earth$1,390 USD

12 data points across 22 retailers

21 retailers$239 USD to $1,390 USD

Retailer 1
-
$204 USD
Price last confirmed 7 days ago
Retailer 2
-
$237 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$239 USD
View
A
Retailer 4
-
$239 USD
View
A
Retailer 5
-
$273 USD
£215 GBP
View
A
Retailer 6
-
$417 USD
View
A
Retailer 7
-
$419 USD
€399 EUR
View
A
Retailer 8
-
$422 USD
£332 GBP
View
Retailer 9
-
$428 USD
ZAR 6,907 ZAR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$488 USD
View
B+
Retailer 11
-
$527 USD
£415 GBP
View
Retailer 12
-
$618 USD
A$951 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$635 USD
View
B+
Retailer 14
-
$769 USD
View
B+
Retailer 15
-
$771 USD
View
B+
Retailer 16
-
$814 USD
SGD 1,100 SGD
View
B+
Retailer 17
-
$822 USD
View
B+
Retailer 18
-
$860 USD
View
Retailer 19
-
$1,075 USD
View
Price last confirmed 12 days ago
B
Retailer 20
-
$1,119 USD
£881 GBP
View
Most Expensive
B
Brilliant Earth
22142922A · Oct 24
$1,390 USD
View
20 more retailers have this diamond
Prices start from $239 USDSave up to $1,151 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
$239 USD