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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 $1,132 NZD
$638 USD
As of October 30, 2026
Save $7,864 NZD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,996 NZD 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 $1,132 to $8,996, a $7,864 spread on the same certified stone. Do Amore Diamonds lists it at $8,996. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $8,517 NZD|Low: $1,132 NZD|High: $8,517 NZD|Avg: $3,471 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 8$1,132 NZD
Retailer 7$1,661 NZD
Retailer 6$1,930 NZD
Retailer 4$1,934 NZD
Retailer 9$2,321 NZD
Retailer 5$3,223 NZD
Retailer 3$4,933 NZD
Retailer 2$5,487 NZD
Do Amore Diamonds$8,517 NZD

17 data points across 9 retailers

10 retailers$1,132 NZD to $8,996 NZD

A
Cheapest Retailer
-
$1,132 NZD
$638 USD
Final sale: no returns
A
Retailer 2
-
$1,661 NZD
$936 USD
View
A
Retailer 3
-
$1,930 NZD
$1,088 USD
View
A
Retailer 4
-
$1,934 NZD
$1,090 USD
View
A
Retailer 5
-
$2,321 NZD
$1,308 USD
View
Retailer 6
-
$3,223 NZD
A$2,795 AUD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$4,933 NZD
$2,780 USD
View
B+
Retailer 8
-
$5,487 NZD
£2,435 GBP
View
B
Retailer 9
-
$8,517 NZD
$4,800 USD
View
Most Expensive
B
Do Amore Diamonds
27-903074808 · Oct 29
$8,996 NZD
$5,070 USD
View
9 more retailers have this diamond
Prices start from $1,132 NZDSave up to $7,864 NZD

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
$1,132 NZD