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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 $733 AUD
$515 USD
As of October 30, 2026
Save $4,278 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,011 AUD 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 $733 to $5,011, a $4,278 spread on the same certified stone. Do Amore Diamonds lists it at $5,011. 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: $5,011 AUD|Low: $733 AUD|High: $5,011 AUD|Avg: $1,886 AUD
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 19$733 AUD
Retailer 8$883 AUD
Retailer 3$900 AUD
Retailer 15$924 AUD
Retailer 2$961 AUD
Retailer 14$1,115 AUD
Retailer 6$1,199 AUD
Retailer 18$1,314 AUD
Retailer 21$1,374 AUD
Retailer 17$1,491 AUD
Retailer 4$1,538 AUD
Retailer 9$1,988 AUD
Retailer 10$2,346 AUD
Retailer 16$2,505 AUD
Retailer 12$2,777 AUD
Retailer 7$2,861 AUD
Retailer 13$3,080 AUD
Retailer 5$3,475 AUD
Retailer 20$3,757 AUD
Retailer 11$3,901 AUD
Do Amore Diamonds$5,011 AUD

14 data points across 21 retailers

19 retailers$733 AUD to $5,011 AUD

A
Cheapest Retailer
-
$733 AUD
$515 USD
Final sale: no returns
A
Retailer 2
-
$883 AUD
$620 USD
View
A
Retailer 3
-
$900 AUD
$632 USD
View
A
Retailer 4
-
$924 AUD
£511 GBP
View
A
Retailer 5
-
$961 AUD
$675 USD
View
Retailer 6
-
$1,115 AUD
$783 USD
View
Price last confirmed 30 days ago
A
Retailer 7
-
$1,199 AUD
$842 USD
View
A
Retailer 8
-
$1,236 AUD
$868 USD
View
B+
Retailer 9
-
$1,314 AUD
€879 EUR
View
B+
Retailer 10
-
$1,491 AUD
£825 GBP
View
B+
Retailer 11
-
$1,538 AUD
ZAR 17,459 ZAR
View
B+
Retailer 12
-
$1,988 AUD
$1,397 USD
View
B
Retailer 13
-
$2,346 AUD
$1,648 USD
View
B
Retailer 14
-
$2,505 AUD
CA$2,444 CAD
View
B
Retailer 15
-
$2,861 AUD
$2,010 USD
View
B
Retailer 16
-
$3,080 AUD
$2,164 USD
View
B
Retailer 17
-
$3,475 AUD
$2,441 USD
View
B
Retailer 18
-
$3,757 AUD
£2,078 GBP
View
Most Expensive
B
Do Amore Diamonds
20-E101602 · Oct 31
$5,011 AUD
$3,520 USD
View
18 more retailers have this diamond
Prices start from $733 AUDSave up to $4,278 AUD

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
$733 AUD