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Cushion|Lab Grown|IGI

1.89ct D IF Cushion Lab Grown Diamond

EX • D/IF • IGI LG754507671

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG754507671

Diamond specifications and retailer prices

From $823 AUD
$578 USD
As of October 30, 2026
Save $5,071 AUD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,894 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754507671 or 754507671. Listed at 22 retailers as of October 30, 2026, with prices from $823 to $5,894, a $5,071 spread on the same certified stone. Do Amore Diamonds lists it at $5,894. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754507671
Dimensions6.68 × 6.68 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.68 mm6.68 mm1.89 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754507671
Side View
Table 62.0%Crown 35°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 67.7%

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: $5,894 AUD|Low: $823 AUD|High: $6,506 AUD|Avg: $2,951 AUD|-9.4%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 31, 2026
Retailer 7$823 AUD
Retailer 18$964 AUD
Retailer 13$1,025 AUD
Retailer 3$1,148 AUD
Retailer 22$1,180 AUD
Retailer 4$1,281 AUD
Retailer 2$1,392 AUD
Retailer 19$1,407 AUD
Retailer 21$1,562 AUD
Retailer 6$1,747 AUD
Retailer 17$2,115 AUD
Retailer 10$2,131 AUD
Retailer 5$2,892 AUD
Retailer 15$2,907 AUD
Retailer 8$3,079 AUD
Retailer 11$3,122 AUD
Retailer 9$3,312 AUD
Retailer 20$3,813 AUD
Retailer 14$4,662 AUD
Retailer 12$4,677 AUD
Retailer 16$5,524 AUD
Do Amore Diamonds$5,894 AUD

32 data points across 22 retailers

22 retailers$823 AUD to $5,894 AUD

A
Cheapest Retailer
-
$823 AUD
$578 USD
Final sale: no returns
A
Retailer 2
-
$964 AUD
£533 GBP
View
A
Retailer 3
-
$1,025 AUD
$720 USD
View
A
Retailer 4
-
$1,148 AUD
HK$6,300 HKD
View
A
Retailer 5
-
$1,180 AUD
$829 USD
View
A
Retailer 6
-
$1,281 AUD
$900 USD
View
A
Retailer 7
-
$1,392 AUD
€931 EUR
View
A
Retailer 8
-
$1,407 AUD
£779 GBP
View
A
Retailer 9
-
$1,562 AUD
ZAR 17,721 ZAR
View
A
Retailer 10
-
$1,747 AUD
$1,227 USD
View
A
Retailer 11
-
$2,115 AUD
View
A
Retailer 12
-
$2,131 AUD
$1,497 USD
View
B+
Retailer 13
-
$2,892 AUD
$2,032 USD
View
B+
Retailer 14
-
$3,079 AUD
$2,163 USD
View
B+
Retailer 15
-
$3,122 AUD
$2,193 USD
View
B+
Retailer 16
-
$3,312 AUD
SGD 3,144 SGD
View
B+
Retailer 17
-
$3,813 AUD
£2,109 GBP
View
Retailer 18
-
$4,662 AUD
View
Price last confirmed 23 days ago
Retailer 19
-
$4,677 AUD
$3,285 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$5,072 AUD
$3,563 USD
View
B
Retailer 21
-
$5,524 AUD
$3,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-31D54E773 · Oct 31
$5,894 AUD
$4,140 USD
View
21 more retailers have this diamond
Prices start from $823 AUDSave up to $5,071 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
1.89ct Cushion
$823 AUD