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Asscher|Lab Grown|IGI

1.00ct G SI1 Asscher Lab Grown Diamond

ID • G/SI1 • IGI LG665409323

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG665409323

Diamond specifications and retailer prices

From €210 EUR
$235 USD
As of October 26, 2026
Save €887 EUR (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,097 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665409323 or 665409323. Listed at 14 retailers as of October 26, 2026, with prices from €210 to €1,097, a €887 spread on the same certified stone. Reve Diamonds lists it at €1,097. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle42.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409323
Dimensions5.51 × 5.37 × 3.73 mm
L/W Ratio1.03
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 Faint Blue
Top View
5.51 mm5.37 mm1.00 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409323
Side View
Table 66.0%Crown 38.6°Girdle: MED-STKPavilion 42.4°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: €934 EUR|Low: €148 EUR|High: €1,097 EUR|Avg: €550 EUR|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 1, 2026
Retailer 2€210 EUR
Retailer 11€233 EUR
Retailer 4€394 EUR
Retailer 12€401 EUR
Retailer 5€430 EUR
Retailer 7€443 EUR
Retailer 8€443 EUR
Retailer 9€443 EUR
Retailer 6€492 EUR
Retailer 10€636 EUR
Retailer 3€797 EUR
Retailer 1€934 EUR
Reve Diamonds€1,097 EUR

45 data points across 13 retailers

14 retailers€210 EUR to €1,097 EUR

A
Cheapest Retailer
-
€210 EUR
$235 USD
Final sale: no returns
A
Retailer 2
-
€233 EUR
$260 USD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
€394 EUR
$440 USD
View
B
Retailer 4
-
€401 EUR
$448 USD
View
B
Retailer 5
-
€407 EUR
£358 GBP
View
B+
Retailer 6
-
€430 EUR
£379 GBP
View
B
Retailer 7
-
€443 EUR
View
B+
Retailer 8
-
€443 EUR
£389 GBP
View
B+
Retailer 9
-
€443 EUR
$495 USD
View
B+
Retailer 10
-
€492 EUR
$550 USD
View
B
Retailer 11
-
€636 EUR
$711 USD
View
B
Retailer 12
-
€797 EUR
$890 USD
View
B
Retailer 13
-
€934 EUR
£822 GBP
View
Most Expensive
B
Reve Diamonds
78EB266E9 · Nov 1
€1,097 EUR
$1,226 USD
View
13 more retailers have this diamond
Prices start from €210 EURSave up to €887 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
€210 EUR