Cushion|Lab Grown|IGI

1.18ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836674520

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG836674520

Diamond specifications and retailer prices

From $914 NZD
$515 USD
As of October 30, 2026
Save $5,332 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,246 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.18ct lab-grown cushion diamond

This 1.18ct 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 LG836674520 or 836674520. Listed at 19 retailers as of October 30, 2026, with prices from $914 to $6,246, a $5,332 spread on the same certified stone. Do Amore Diamonds lists it at $6,246. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836674520
Dimensions6.64 × 6.50 × 3.99 mm
L/W Ratio1.02
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
6.64 mm6.50 mm1.18 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836674520
Side View
Table 55.0%Crown 36.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 61.4%

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: Oct 30
Current: $6,246 NZD|Low: $914 NZD|High: $6,246 NZD|Avg: $2,351 NZD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 19$914 NZD
Retailer 8$1,100 NZD
Retailer 3$1,121 NZD
Retailer 15$1,152 NZD
Retailer 2$1,198 NZD
Retailer 14$1,389 NZD
Retailer 6$1,494 NZD
Retailer 18$1,638 NZD
Retailer 21$1,712 NZD
Retailer 17$1,858 NZD
Retailer 4$1,918 NZD
Retailer 9$2,478 NZD
Retailer 10$2,924 NZD
Retailer 16$3,123 NZD
Retailer 12$3,462 NZD
Retailer 7$3,566 NZD
Retailer 13$3,839 NZD
Retailer 5$4,331 NZD
Retailer 20$4,682 NZD
Retailer 11$4,862 NZD
Do Amore Diamonds$6,246 NZD

14 data points across 21 retailers

19 retailers$914 NZD to $6,246 NZD

A
Cheapest Retailer
-
$914 NZD
$515 USD
Final sale: no returns
A
Retailer 2
-
$1,100 NZD
$620 USD
View
A
Retailer 3
-
$1,121 NZD
$632 USD
View
A
Retailer 4
-
$1,152 NZD
£511 GBP
View
A
Retailer 5
-
$1,198 NZD
$675 USD
View
Retailer 6
-
$1,389 NZD
$783 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,494 NZD
$842 USD
View
A
Retailer 8
-
$1,540 NZD
$868 USD
View
B+
Retailer 9
-
$1,638 NZD
€879 EUR
View
B+
Retailer 10
-
$1,858 NZD
£825 GBP
View
B+
Retailer 11
-
$1,918 NZD
ZAR 17,459 ZAR
View
B+
Retailer 12
-
$2,478 NZD
$1,397 USD
View
B
Retailer 13
-
$2,924 NZD
$1,648 USD
View
B
Retailer 14
-
$3,123 NZD
CA$2,444 CAD
View
B
Retailer 15
-
$3,566 NZD
$2,010 USD
View
B
Retailer 16
-
$3,839 NZD
$2,164 USD
View
B
Retailer 17
-
$4,331 NZD
$2,441 USD
View
B
Retailer 18
-
$4,682 NZD
£2,078 GBP
View
Most Expensive
B
Do Amore Diamonds
20-E101602 · Oct 31
$6,246 NZD
$3,520 USD
View
18 more retailers have this diamond
Prices start from $914 NZDSave up to $5,332 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
1.18ct Cushion
$914 NZD