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Asscher|Lab Grown|IGI

1.00ct D SI1 Asscher Lab Grown Diamond

ID • D/SI1 • IGI LG689560730

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG689560730

Diamond specifications and retailer prices

From €201 EUR
$225 USD
As of November 2, 2026
Save €935 EUR (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €1,136 EUR at Reve Diamonds · As of November 1, 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 LG689560730 or 689560730. Listed at 15 retailers as of November 1, 2026, with prices from €201 to €1,136, a €935 spread on the same certified stone. Reve Diamonds lists it at €1,136. 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
SymmetryVery Good
FluorescenceNone
Crown angle30.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689560730
Dimensions5.56 × 5.49 × 3.58 mm
L/W Ratio1.01
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
5.56 mm5.49 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG689560730
Side View
Table 64.0%Crown 30.7°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 65.2%

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 2
Current: €690 EUR|Low: €191 EUR|High: €1,136 EUR|Avg: €545 EUR|+11.4%
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
Reve Diamonds
November 2, 2026
Retailer 11€201 EUR
Retailer 5€225 EUR
Retailer 10€233 EUR
Retailer 4€249 EUR
Retailer 14€249 EUR
Retailer 2€424 EUR
Retailer 13€456 EUR
Retailer 7€464 EUR
Retailer 9€470 EUR
Retailer 3€501 EUR
Retailer 1€690 EUR
Retailer 12€800 EUR
Retailer 6€847 EUR
Retailer 8€998 EUR
Reve Diamonds€1,136 EUR

44 data points across 15 retailers

15 retailers€201 EUR to €1,136 EUR

A
Cheapest Retailer
-
€201 EUR
$225 USD
A
Retailer 2
-
€225 EUR
$252 USD
View
Final sale: no returns
A
Retailer 3
-
€233 EUR
$261 USD
View
Retailer 4
-
€249 EUR
$279 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
€249 EUR
$279 USD
View
B
Retailer 6
-
€424 EUR
$475 USD
View
B+
Retailer 7
-
€456 EUR
$512 USD
View
B+
Retailer 8
-
€464 EUR
£410 GBP
View
B+
Retailer 9
-
€470 EUR
View
Retailer 10
-
€501 EUR
£442 GBP
View
Price last confirmed 17 days ago
B
Retailer 11
-
€690 EUR
$774 USD
View
B
Retailer 12
-
€800 EUR
$897 USD
View
B
Retailer 13
-
€847 EUR
$950 USD
View
B
Retailer 14
-
€998 EUR
£881 GBP
View
Most Expensive
B
Reve Diamonds
13F4456EE · Nov 1
€1,136 EUR
$1,274 USD
View
14 more retailers have this diamond
Prices start from €201 EURSave up to €935 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
€201 EUR