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Cushion|Lab Grown|IGI

1.15ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG846663371

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG846663371

Diamond specifications and retailer prices

From $789 NZD
£350 GBP
As of November 1, 2026
Save $2,795 NZD (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,584 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.15ct lab-grown cushion diamond

This 1.15ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846663371 or 846663371. Listed at 9 retailers as of October 31, 2026, with prices from $789 to $3,584, a $2,795 spread on the same certified stone. Brilliant Earth lists it at $3,584. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663371
Dimensions7.86 × 5.18 × 3.60 mm
L/W Ratio1.52
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
7.86 mm5.18 mm1.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663371
Side View
Table 62.0%Crown 37.4°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 69.5%

Caratlytics Score

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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: $3,584 NZD|Low: $789 NZD|High: $3,765 NZD|Avg: $1,938 NZD|-1.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5$789 NZD
Retailer 6$1,038 NZD
Retailer 4$1,233 NZD
Retailer 7$1,359 NZD
Retailer 9$1,550 NZD
Retailer 2$2,954 NZD
Retailer 3$2,995 NZD
Retailer 8$3,222 NZD
Brilliant Earth$3,584 NZD

6 data points across 9 retailers

9 retailers$789 NZD to $3,584 NZD

A
Cheapest Retailer
-
$789 NZD
£350 GBP
A
Retailer 2
-
$1,038 NZD
$585 USD
View
A
Retailer 3
-
$1,233 NZD
$695 USD
View
A
Retailer 4
-
$1,359 NZD
$766 USD
View
A
Retailer 5
-
$1,550 NZD
€832 EUR
View
B
Retailer 6
-
$2,954 NZD
$1,665 USD
View
B
Retailer 7
-
$2,995 NZD
£1,329 GBP
View
B+
Retailer 8
-
$3,222 NZD
$1,816 USD
View
Most Expensive
B
Brilliant Earth
22319601A · Oct 31
$3,584 NZD
$2,020 USD
View
8 more retailers have this diamond
Prices start from $789 NZDSave up to $2,795 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
1.15ct Cushion
$789 NZD