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Cushion|Lab Grown|IGI

1.88ct D IF Cushion Lab Grown Diamond

ID • D/IF • IGI LG727510778

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG727510778

Diamond specifications and retailer prices

From €444 EUR
$496 USD
As of November 1, 2026
Save €3,011 EUR (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,455 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.88ct lab-grown cushion diamond

This 1.88ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727510778 or 727510778. Listed at 13 retailers as of October 31, 2026, with prices from €444 to €3,455, a €3,011 spread on the same certified stone. Brilliant Earth lists it at €3,455. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727510778
Dimensions8.08 × 6.70 × 4.59 mm
L/W Ratio1.21
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
8.08 mm6.70 mm1.88 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727510778
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 68.5%

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 1
Current: €3,455 EUR|Low: €444 EUR|High: €4,108 EUR|Avg: €1,683 EUR|-15.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5€444 EUR
Retailer 9€597 EUR
Retailer 13€644 EUR
Retailer 11€710 EUR
Retailer 7€772 EUR
Retailer 3€1,092 EUR
Retailer 8€1,150 EUR
Retailer 12€1,320 EUR
Retailer 6€1,814 EUR
Retailer 4€2,912 EUR
Retailer 2€2,922 EUR
Retailer 10€3,204 EUR
Brilliant Earth€3,455 EUR

31 data points across 13 retailers

13 retailers€444 EUR to €3,455 EUR

A
Cheapest Retailer
-
€444 EUR
$496 USD
Final sale: no returns
A
Retailer 2
-
€597 EUR
$667 USD
View
A
Retailer 3
-
€644 EUR
$720 USD
View
A
Retailer 4
-
€710 EUR
$793 USD
View
A
Retailer 5
-
€772 EUR
View
A
Retailer 6
-
€1,092 EUR
$1,220 USD
View
A
Retailer 7
-
€1,150 EUR
A$1,977 AUD
View
A
Retailer 8
-
€1,320 EUR
$1,475 USD
View
B+
Retailer 9
-
€1,814 EUR
£1,596 GBP
View
Retailer 10
-
€2,912 EUR
A$5,005 AUD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
€2,922 EUR
$3,265 USD
View
B
Retailer 12
-
€3,204 EUR
$3,580 USD
View
Most Expensive
B
Brilliant Earth
15510545Y · Oct 31
€3,455 EUR
$3,860 USD
View
12 more retailers have this diamond
Prices start from €444 EURSave up to €3,011 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
1.88ct Cushion
€444 EUR