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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG787660874

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG787660874

Diamond specifications and retailer prices

From $144 USD
As of November 4, 2026
Save $870 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,014 USD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1ct lab-grown asscher diamond

This 1ct lab-grown asscher sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787660874 or 787660874. Listed at 18 retailers as of November 4, 2026, with prices from $144 to $1,014, a $870 spread on the same certified stone. Reve Diamonds lists it at $1,014. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787660874
Dimensions5.58 × 5.47 × 3.67 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
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
5.58 mm5.47 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787660874
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
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: Nov 4
Current: $303 USD|Low: $141 USD|High: $1,014 USD|Avg: $391 USD|+4.1%
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
November 6, 2026
Retailer 15$144 USD
Retailer 13$167 USD
Retailer 9$174 USD
Retailer 5$178 USD
Retailer 8$211 USD
Retailer 1$303 USD
Retailer 6$304 USD
Retailer 2$331 USD
Retailer 3$338 USD
Retailer 10$467 USD
Retailer 14$497 USD
Retailer 12$573 USD
Retailer 4$628 USD
Retailer 7$630 USD
Retailer 11$833 USD
Reve Diamonds$1,014 USD

34 data points across 16 retailers

18 retailers$144 USD to $1,014 USD

A
Cheapest Retailer
-
$144 USD
A
Retailer 2
-
$167 USD
View
A
Retailer 3
-
$174 USD
View
Final sale: no returns
Retailer 4
-
$174 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$178 USD
View
A
Retailer 6
-
$211 USD
View
A
Retailer 7
-
$303 USD
View
Retailer 8
-
$304 USD
View
Price last confirmed 8 days ago
A
Retailer 9
-
$331 USD
View
A
Retailer 10
-
$338 USD
View
B+
Retailer 11
-
$467 USD
View
B
Retailer 12
-
$497 USD
View
Retailer 13
-
$526 USD
View
Price last confirmed 117 days ago
B
Retailer 14
-
$573 USD
View
B
Retailer 15
-
$628 USD
View
B
Retailer 16
-
$630 USD
View
B
Retailer 17
-
$833 USD
View
Most Expensive
B
Reve Diamonds
7AFD8FDEF · Nov 4
$1,014 USD
View
17 more retailers have this diamond
Prices start from $144 USDSave up to $870 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
1.00ct Asscher
$144 USD