Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG689561367

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG689561367

Diamond specifications and retailer prices

From $175 USD
As of October 30, 2026
Save $939 USD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,114 USD at Reve Diamonds · As of October 30, 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 LG689561367 or 689561367. Listed at 17 retailers as of October 30, 2026, with prices from $175 to $1,114, a $939 spread on the same certified stone. Reve Diamonds lists it at $1,114. 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 angle33.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689561367
Dimensions5.59 × 5.57 × 3.59 mm
L/W Ratio1.00
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
5.59 mm5.57 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689561367
Side View
Table 62.0%Crown 33.7°Girdle: MediumPavilion 39.5°Culet: NoneDepth 64.5%

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 30
Current: $195 USD|Low: $137 USD|High: $1,114 USD|Avg: $514 USD|+41.3%
Retailer 1
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Reve Diamonds
October 30, 2026
Retailer 15$175 USD
Retailer 1$195 USD
Retailer 13$203 USD
Retailer 5$217 USD
Retailer 6$217 USD
Retailer 4$386 USD
Retailer 9$389 USD
Retailer 12$412 USD
Retailer 10$419 USD
Retailer 2$457 USD
Retailer 14$495 USD
Retailer 3$574 USD
Retailer 8$650 USD
Retailer 16$697 USD
Retailer 7$752 USD
Retailer 11$1,020 USD
Reve Diamonds$1,114 USD

44 data points across 17 retailers

17 retailers$175 USD to $1,114 USD

A
Cheapest Retailer
-
$175 USD
A
Retailer 2
-
$195 USD
View
Final sale: no returns
A
Retailer 3
-
$203 USD
View
A
Retailer 4
-
$217 USD
View
A
Retailer 5
-
$217 USD
View
B+
Retailer 6
-
$386 USD
View
B+
Retailer 7
-
$389 USD
£306 GBP
View
B+
Retailer 8
-
$412 USD
£324 GBP
View
B+
Retailer 9
-
$419 USD
€399 EUR
View
B+
Retailer 10
-
$457 USD
View
B+
Retailer 11
-
$495 USD
View
B
Retailer 12
-
$574 USD
View
B
Retailer 13
-
$650 USD
View
B
Retailer 14
-
$697 USD
View
B
Retailer 15
-
$752 USD
View
B
Retailer 16
-
$1,020 USD
£803 GBP
View
Most Expensive
B
Reve Diamonds
C4A7FCF63 · Oct 30
$1,114 USD
View
16 more retailers have this diamond
Prices start from $175 USDSave up to $939 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
$175 USD