Cushion|Lab Grown|IGI

1.88ct D IF Cushion Lab Grown Diamond

D/IF • IGI LG768630864

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG768630864

Diamond specifications and retailer prices

From $916 NZD
$516 USD
As of November 1, 2026
Save $5,827 NZD (86%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,742 NZD 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) and certified by IGI LG768630864 or 768630864. Listed at 13 retailers as of October 31, 2026, with prices from $916 to $6,742, a $5,827 spread on the same certified stone. Brilliant Earth lists it at $6,742. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.88
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768630864
Dimensions8.21 × 6.58 × 4.43 mm
L/W Ratio1.25
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
8.21 mm6.58 mm1.88 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768630864
Side View
Table 56.0%Crown 36°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 67.3%

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: $6,742 NZD|Low: $916 NZD|High: $9,936 NZD|Avg: $3,484 NZD|-32.1%
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$916 NZD
Retailer 9$1,196 NZD
Retailer 13$1,295 NZD
Retailer 11$1,427 NZD
Retailer 7$1,548 NZD
Retailer 3$2,166 NZD
Retailer 8$2,317 NZD
Retailer 12$2,644 NZD
Retailer 6$3,655 NZD
Retailer 4$5,772 NZD
Retailer 2$5,802 NZD
Retailer 10$6,458 NZD
Brilliant Earth$6,742 NZD

31 data points across 13 retailers

13 retailers$916 NZD to $6,742 NZD

A
Cheapest Retailer
-
$916 NZD
$516 USD
Final sale: no returns
A
Retailer 2
-
$1,196 NZD
$674 USD
View
A
Retailer 3
-
$1,295 NZD
$730 USD
View
B+
Retailer 4
-
$1,427 NZD
$804 USD
View
A
Retailer 5
-
$1,548 NZD
€831 EUR
View
A
Retailer 6
-
$2,166 NZD
$1,221 USD
View
A
Retailer 7
-
$2,317 NZD
A$2,009 AUD
View
B+
Retailer 8
-
$2,644 NZD
$1,490 USD
View
B+
Retailer 9
-
$3,655 NZD
£1,622 GBP
View
Retailer 10
-
$5,772 NZD
A$5,005 AUD
View
Price last confirmed 25 days ago
B
Retailer 11
-
$5,802 NZD
$3,270 USD
View
B
Retailer 12
-
$6,458 NZD
$3,640 USD
View
Most Expensive
B
Brilliant Earth
17840590Y · Oct 31
$6,742 NZD
$3,800 USD
View
12 more retailers have this diamond
Prices start from $916 NZDSave up to $5,827 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
$916 NZD