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Cushion|Lab Grown|IGI

1.35ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG815697990

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG815697990

Diamond specifications and retailer prices

From $728 NZD
As of November 4, 2026
Save $4,858 NZD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,586 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 1.35ct lab-grown cushion diamond

This 1.35ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815697990 or 815697990. Listed at 11 retailers as of November 4, 2026, with prices from $728 to $5,586, a $4,858 spread on the same certified stone. Do Amore Diamonds lists it at $5,586. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815697990
Dimensions6.37 × 6.30 × 4.03 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.37 mm6.30 mm1.35 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815697990
Side View
Table 57.0%Crown 34.2°Girdle: STK-THKPavilion 35.7°Culet: NoneDepth 64.0%

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: Nov 4
Current: $5,586 NZD|Low: $589 NZD|High: $7,116 NZD|Avg: $2,401 NZD|-11.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 9$589 NZD
Retailer 11$728 NZD
Retailer 2$993 NZD
Retailer 12$1,050 NZD
Retailer 14$1,254 NZD
Retailer 13$1,334 NZD
Retailer 7$1,336 NZD
Retailer 4$1,583 NZD
Retailer 5$1,628 NZD
Retailer 6$1,779 NZD
Retailer 15$2,085 NZD
Retailer 17$2,375 NZD
Retailer 8$3,218 NZD
Retailer 10$3,359 NZD
Retailer 3$3,522 NZD
Retailer 16$4,091 NZD
Do Amore Diamonds$5,586 NZD

22 data points across 17 retailers

11 retailers$728 NZD to $5,586 NZD

A
Cheapest Retailer
-
$728 NZD
Final sale: no returns
A
Retailer 2
-
$993 NZD
View
A
Retailer 3
-
$1,050 NZD
View
A
Retailer 4
-
$1,254 NZD
View
A
Retailer 5
-
$1,334 NZD
View
B+
Retailer 6
-
$2,085 NZD
View
B+
Retailer 7
-
$2,375 NZD
View
B+
Retailer 8
-
$3,359 NZD
View
B
Retailer 9
-
$3,522 NZD
View
B
Retailer 10
-
$4,091 NZD
View
Most Expensive
B
Do Amore Diamonds
27-79D2587DD · Nov 4
$5,586 NZD
$3,140 USD
View
10 more retailers have this diamond
Prices start from $728 NZDSave up to $4,858 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
1.35ct Cushion
$728 NZD