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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 €129 EUR
$144 USD
As of October 30, 2026
Save €779 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €907 EUR 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 LG787660874 or 787660874. Listed at 18 retailers as of October 30, 2026, with prices from €129 to €907, a €779 spread on the same certified stone. Reve Diamonds lists it at €907. 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
Colour
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

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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: €274 EUR|Low: €121 EUR|High: €907 EUR|Avg: €326 EUR|+5.1%
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
October 31, 2026
Retailer 11€129 EUR
Retailer 8€149 EUR
Retailer 12€156 EUR
Retailer 3€159 EUR
Retailer 14€191 EUR
Retailer 4€273 EUR
Retailer 1€274 EUR
Retailer 13€296 EUR
Retailer 15€303 EUR
Retailer 9€413 EUR
Retailer 10€445 EUR
Retailer 7€502 EUR
Retailer 2€562 EUR
Retailer 6€564 EUR
Retailer 5€731 EUR
Reve Diamonds€907 EUR

33 data points across 16 retailers

18 retailers€129 EUR to €907 EUR

A
Cheapest Retailer
-
€129 EUR
$144 USD
A
Retailer 2
-
€149 EUR
$167 USD
View
A
Retailer 3
-
€156 EUR
$174 USD
View
Final sale: no returns
A
Retailer 4
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€156 EUR
$174 USD
View
A
Retailer 5
-
€159 EUR
$178 USD
View
A
Retailer 6
-
€191 EUR
£168 GBP
View
A
Retailer 7
-
€273 EUR
View
A
Retailer 8
-
€274 EUR
£241 GBP
View
A
Retailer 9
-
€296 EUR
$331 USD
View
A
Retailer 10
-
€303 EUR
£266 GBP
View
B+
Retailer 11
-
€413 EUR
$461 USD
View
B
Retailer 12
-
€445 EUR
$497 USD
View
Retailer 13
-
€471 EUR
$526 USD
View
Price last confirmed 111 days ago
B
Retailer 14
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€502 EUR
$561 USD
View
B
Retailer 15
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€562 EUR
$628 USD
View
B
Retailer 16
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€564 EUR
$630 USD
View
B
Retailer 17
-
€731 EUR
£643 GBP
View
Most Expensive
B
Reve Diamonds
7AFD8FDEF · Oct 30
€907 EUR
$1,014 USD
View
17 more retailers have this diamond
Prices start from €129 EURSave up to €779 EUR

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
€129 EUR