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Asscher|Lab Grown|IGI

1.78ct D VS1 Asscher Lab Grown Diamond

ID • D/VS1 • IGI LG700526626

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG700526626

Diamond specifications and retailer prices

From $300 USD
As of October 27, 2026
Save $1,700 USD (85%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,000 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG700526626 or 700526626. Listed at 23 retailers as of October 27, 2026, with prices from $300 to $2,000, a $1,700 spread on the same certified stone. Brilliant Earth lists it at $2,000. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700526626
Dimensions6.59 × 6.58 × 4.47 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.59 mm6.58 mm1.78 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700526626
Side View
Table 64.0%Crown 36.5°Girdle: MediumPavilion 40.4°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,000 USD|Low: $295 USD|High: $2,240 USD|Avg: $876 USD|-10.7%
Brilliant Earth
Retailer 2
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Retailer 23
October 29, 2026
Retailer 4$300 USD
Retailer 11$335 USD
Retailer 21$348 USD
Retailer 6$372 USD
Retailer 7$372 USD
Retailer 3$416 USD
Retailer 20$530 USD
Retailer 13$554 USD
Retailer 14$608 USD
Retailer 19$639 USD
Retailer 2$658 USD
Retailer 10$713 USD
Retailer 9$717 USD
Retailer 18$867 USD
Retailer 22$1,143 USD
Retailer 5$1,196 USD
Retailer 12$1,243 USD
Retailer 23$1,425 USD
Retailer 8$1,430 USD
Retailer 17$1,499 USD
Retailer 15$1,513 USD
Retailer 16$1,733 USD
Brilliant Earth$2,000 USD

34 data points across 23 retailers

23 retailers$300 USD to $2,000 USD

A
Cheapest Retailer
-
$300 USD
A
Retailer 2
-
$335 USD
View
Final sale: no returns
A
Retailer 3
-
$348 USD
View
A
Retailer 4
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$372 USD
View
A
Retailer 5
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$372 USD
View
A
Retailer 6
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$416 USD
£328 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
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$530 USD
View
A
Retailer 8
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$554 USD
€528 EUR
View
A
Retailer 9
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$608 USD
View
A
Retailer 10
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$639 USD
ZAR 10,324 ZAR
View
A
Retailer 11
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$658 USD
£518 GBP
View
B+
Retailer 12
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$713 USD
View
B+
Retailer 13
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$717 USD
View
B+
Retailer 14
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$867 USD
A$1,334 AUD
View
B
Retailer 15
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$1,143 USD
View
B
Retailer 16
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$1,196 USD
View
B
Retailer 17
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$1,243 USD
View
B
Retailer 18
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$1,425 USD
View
Price last confirmed 8 days ago
B
Retailer 19
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$1,430 USD
View
B
Retailer 20
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$1,499 USD
£1,180 GBP
View
B
Retailer 21
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$1,513 USD
View
B
Retailer 22
-
$1,733 USD
View
Most Expensive
B
Brilliant Earth
13893045A · Oct 28
$2,000 USD
View
22 more retailers have this diamond
Prices start from $300 USDSave up to $1,700 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
1.78ct Asscher
$300 USD