Cushion|Lab Grown|IGI

1.39ct D IF Cushion Lab Grown Diamond

FR • D/IF • IGI LG766669628

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG766669628

Diamond specifications and retailer prices

From $2,178 NZD
As of November 3, 2026
Save $4,538 NZD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,716 NZD at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.39ct lab-grown cushion diamond

This 1.39ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG766669628 or 766669628. Listed at 8 retailers as of November 3, 2026, with prices from $2,178 to $6,716, a $4,538 spread on the same certified stone. Michael Trio lists it at $6,716. 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

1.39
Carat
D
Colour
IF
Clarity
Fair
Cut

Specifications

CutFair
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766669628
Dimensions7.76 × 6.32 × 3.92 mm
L/W Ratio1.23
Girdle conditionFaceted
Culet sizeLarge
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
7.76 mm6.32 mm1.39 ctD / IF
OriginLab Grown
CutFair
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766669628
Side View
Table 45.0%Crown 35.9°Girdle: MED-STKPavilion 36.6°Culet: LargeDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $6,716 NZD|Low: $2,178 NZD|High: $8,151 NZD|Avg: $3,938 NZD|-17.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 7$2,178 NZD
Retailer 6$2,491 NZD
Retailer 8$2,865 NZD
Retailer 2$3,035 NZD
Retailer 3$3,708 NZD
Retailer 4$3,896 NZD
Retailer 5$3,992 NZD
Michael Trio$6,716 NZD

42 data points across 8 retailers

8 retailers$2,178 NZD to $6,716 NZD

B+
Cheapest Retailer
-
$2,178 NZD
B
Retailer 2
-
$2,491 NZD
View
B
Retailer 3
-
$2,865 NZD
View
B
Retailer 4
-
$3,035 NZD
View
B
Retailer 5
-
$3,708 NZD
View
B
Retailer 6
-
$3,896 NZD
View
B
Retailer 7
-
$3,992 NZD
View
Most Expensive
C
Michael Trio
1329784745 · Nov 4
$6,716 NZD
SGD 5,116 SGD
View
7 more retailers have this diamond
Prices start from $2,178 NZDSave up to $4,538 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.

B+
1.39ct Cushion
$2,178 NZD