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Cushion|Lab Grown|IGI

1.61ct G SI1 Cushion Lab Grown Diamond

ID • G/SI1 • IGI LG523278357

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG523278357

Diamond specifications and retailer prices

From €184 EUR
$206 USD
As of November 1, 2026
Save €836 EUR (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,020 EUR at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.61ct lab-grown cushion diamond

This 1.61ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523278357 or 523278357. Listed at 14 retailers as of November 1, 2026, with prices from €184 to €1,020, a €836 spread on the same certified stone. Reve Diamonds lists it at €1,020. 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

1.61
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523278357
Dimensions7.54 × 6.05 × 4.08 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Blue 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
7.54 mm6.05 mm1.61 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523278357
Side View
Table 58.0%Crown 35.8°Girdle: MED-THKPavilion 30.4°Culet: NoneDepth 67.4%

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: Nov 1
Current: €366 EUR|Low: €184 EUR|High: €981 EUR|Avg: €505 EUR|+3.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2€184 EUR
Retailer 9€204 EUR
Retailer 7€275 EUR
Retailer 5€335 EUR
Retailer 1€366 EUR
Retailer 3€404 EUR
Retailer 6€483 EUR
Retailer 11€505 EUR
Retailer 8€740 EUR
Retailer 4€953 EUR
Retailer 10€954 EUR

43 data points across 11 retailers

14 retailers€184 EUR to €1,020 EUR

A
Cheapest Retailer
-
€184 EUR
$206 USD
Final sale: no returns
Retailer 2
-
€204 EUR
$229 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
€275 EUR
$308 USD
View
A
Retailer 4
-
€335 EUR
View
A
Retailer 5
-
€366 EUR
£323 GBP
View
A
Retailer 6
-
€404 EUR
$453 USD
View
A
Retailer 7
-
€469 EUR
$526 USD
View
A
Retailer 8
-
€483 EUR
$542 USD
View
A
Retailer 9
-
€505 EUR
$566 USD
View
B+
Retailer 10
-
€703 EUR
$789 USD
View
B+
Retailer 11
-
€740 EUR
$830 USD
View
B+
Retailer 12
-
€953 EUR
£842 GBP
View
B
Retailer 13
-
€954 EUR
$1,070 USD
View
Most Expensive
B
Reve Diamonds
EF81FED1D · Nov 1
€1,020 EUR
$1,144 USD
View
13 more retailers have this diamond
Prices start from €184 EURSave up to €836 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
1.61ct Cushion
€184 EUR