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Cushion|Lab Grown|IGI

1.71ct E FL Cushion Lab Grown Diamond

ID • E/FL • IGI LG836612118

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836612118

Diamond specifications and retailer prices

From $944 AUD
$663 USD
As of October 30, 2026
Save $4,081 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,025 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836612118 or 836612118. Listed at 18 retailers as of October 30, 2026, with prices from $944 to $5,025, a $4,081 spread on the same certified stone. Brilliant Earth lists it at $5,025. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836612118
Dimensions9.04 × 6.01 × 3.87 mm
L/W Ratio1.50
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
9.04 mm6.01 mm1.71 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836612118
Side View
Table 64.0%Crown 32.6°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 64.4%

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: Oct 30
Current: $5,025 AUD|Low: $944 AUD|High: $7,061 AUD|Avg: $2,872 AUD|-28.8%
Brilliant Earth
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
Retailer 18
October 31, 2026
Retailer 3$944 AUD
Retailer 9$1,042 AUD
Retailer 11$1,063 AUD
Retailer 14$1,189 AUD
Retailer 4$1,584 AUD
Retailer 12$1,609 AUD
Retailer 2$1,653 AUD
Retailer 13$1,770 AUD
Retailer 16$1,946 AUD
Retailer 6$2,323 AUD
Retailer 18$2,994 AUD
Retailer 5$3,277 AUD
Retailer 17$3,334 AUD
Retailer 7$3,435 AUD
Retailer 8$4,136 AUD
Retailer 15$4,477 AUD
Retailer 10$4,493 AUD
Brilliant Earth$5,025 AUD

28 data points across 18 retailers

18 retailers$944 AUD to $5,025 AUD

A
Cheapest Retailer
-
$944 AUD
$663 USD
Final sale: no returns
Retailer 2
-
$1,042 AUD
$732 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,063 AUD
£588 GBP
View
A
Retailer 4
-
$1,189 AUD
$835 USD
View
A
Retailer 5
-
$1,584 AUD
$1,113 USD
View
A
Retailer 6
-
$1,609 AUD
£890 GBP
View
A
Retailer 7
-
$1,653 AUD
€1,106 EUR
View
A
Retailer 8
-
$1,770 AUD
ZAR 20,084 ZAR
View
A
Retailer 9
-
$1,946 AUD
$1,367 USD
View
A
Retailer 10
-
$2,323 AUD
$1,632 USD
View
B+
Retailer 11
-
$2,994 AUD
£1,656 GBP
View
B+
Retailer 12
-
$3,277 AUD
$2,302 USD
View
B+
Retailer 13
-
$3,334 AUD
$2,342 USD
View
B+
Retailer 14
-
$3,435 AUD
SGD 3,261 SGD
View
Retailer 15
-
$4,136 AUD
$2,905 USD
View
Price last confirmed 10 days ago
B+
Retailer 16
-
$4,477 AUD
£2,476 GBP
View
B
Retailer 17
-
$4,493 AUD
$3,156 USD
View
Most Expensive
B
Brilliant Earth
21612419A · Oct 30
$5,025 AUD
$3,530 USD
View
17 more retailers have this diamond
Prices start from $944 AUDSave up to $4,081 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
1.71ct Cushion
$944 AUD