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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG843642191

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG843642191

Diamond specifications and retailer prices

From $662 AUD
$465 USD
As of October 30, 2026
Save $2,081 AUD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,743 AUD at Brilliance · As of October 30, 2026
View at Brilliance

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843642191 or 843642191. Listed at 19 retailers as of October 30, 2026, with prices from $662 to $2,743, a $2,081 spread on the same certified stone. Brilliance lists it at $2,743. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843642191
Dimensions6.82 × 6.80 × 4.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.82 mm6.80 mm1.71 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843642191
Side View
Table 68.0%Crown 39.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 68.1%

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: $2,743 AUD|Low: $662 AUD|High: $2,743 AUD|Avg: $1,607 AUD|+7.4%
Brilliance
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
Retailer 19
October 31, 2026
Retailer 6$662 AUD
Retailer 3$802 AUD
Retailer 14$818 AUD
Retailer 4$1,006 AUD
Retailer 19$1,011 AUD
Retailer 5$1,088 AUD
Retailer 12$1,157 AUD
Retailer 2$1,169 AUD
Retailer 15$1,207 AUD
Retailer 18$1,260 AUD
Retailer 16$1,707 AUD
Retailer 13$1,802 AUD
Retailer 7$2,057 AUD
Retailer 10$2,334 AUD
Retailer 11$2,372 AUD
Retailer 8$2,405 AUD
Retailer 9$2,677 AUD
Retailer 17$2,707 AUD
Brilliance$2,743 AUD

15 data points across 19 retailers

19 retailers$662 AUD to $2,743 AUD

A
Cheapest Retailer
-
$662 AUD
$465 USD
Final sale: no returns
A
Retailer 2
-
$802 AUD
HK$4,400 HKD
View
A
Retailer 3
-
$818 AUD
£453 GBP
View
A
Retailer 4
-
$1,006 AUD
$707 USD
View
B+
Retailer 5
-
$1,011 AUD
$710 USD
View
B+
Retailer 6
-
$1,088 AUD
$764 USD
View
B+
Retailer 7
-
$1,157 AUD
$813 USD
View
B+
Retailer 8
-
$1,169 AUD
€782 EUR
View
B+
Retailer 9
-
$1,207 AUD
£667 GBP
View
B+
Retailer 10
-
$1,260 AUD
ZAR 14,293 ZAR
View
B
Retailer 11
-
$1,707 AUD
View
B
Retailer 12
-
$1,802 AUD
View
Retailer 13
-
$2,057 AUD
$1,445 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$2,334 AUD
SGD 2,216 SGD
View
B
Retailer 15
-
$2,372 AUD
$1,666 USD
View
B
Retailer 16
-
$2,405 AUD
$1,689 USD
View
B
Retailer 17
-
$2,677 AUD
$1,880 USD
View
B
Retailer 18
-
$2,707 AUD
£1,497 GBP
View
Most Expensive
B
Brilliance
D46167164 · Oct 30
$2,743 AUD
$1,927 USD
View
18 more retailers have this diamond
Prices start from $662 AUDSave up to $2,081 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
$662 AUD