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Cushion|Lab Grown|IGI

1.88ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG668428911

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG668428911

Diamond specifications and retailer prices

From $908 AUD
$638 USD
As of October 30, 2026
Save $6,309 AUD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,217 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668428911 or 668428911. Listed at 10 retailers as of October 29, 2026, with prices from $908 to $7,217, a $6,309 spread on the same certified stone. Do Amore Diamonds lists it at $7,217. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.88
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668428911
Dimensions7.19 × 7.18 × 4.86 mm
L/W Ratio1.00
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
7.19 mm7.18 mm1.88 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668428911
Side View
Table 60.0%Crown 35.8°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 67.7%

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: Oct 30
Current: $6,832 AUD|Low: $908 AUD|High: $6,832 AUD|Avg: $2,784 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$908 AUD
Retailer 7$1,332 AUD
Retailer 6$1,549 AUD
Retailer 4$1,552 AUD
Retailer 9$1,862 AUD
Retailer 5$2,586 AUD
Retailer 3$3,957 AUD
Retailer 2$4,402 AUD
Do Amore Diamonds$6,832 AUD

17 data points across 9 retailers

10 retailers$908 AUD to $7,217 AUD

A
Cheapest Retailer
-
$908 AUD
$638 USD
Final sale: no returns
A
Retailer 2
-
$1,332 AUD
$936 USD
View
A
Retailer 3
-
$1,549 AUD
$1,088 USD
View
A
Retailer 4
-
$1,552 AUD
$1,090 USD
View
A
Retailer 5
-
$1,862 AUD
$1,308 USD
View
Retailer 6
-
$2,586 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$3,957 AUD
$2,780 USD
View
B+
Retailer 8
-
$4,402 AUD
£2,435 GBP
View
B
Retailer 9
-
$6,832 AUD
$4,800 USD
View
Most Expensive
B
Do Amore Diamonds
27-903074808 · Oct 29
$7,217 AUD
$5,070 USD
View
9 more retailers have this diamond
Prices start from $908 AUDSave up to $6,309 AUD

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
$908 AUD