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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 $465 USD
As of October 30, 2026
Save $1,462 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,927 USD 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 $465 to $1,927, a $1,462 spread on the same certified stone. Brilliance lists it at $1,927. 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
Color
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

How it works →
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: $1,927 USD|Low: $465 USD|High: $1,927 USD|Avg: $1,128 USD|+7.4%
Brilliance
Retailer 2
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 6$465 USD
Retailer 3$563 USD
Retailer 13$575 USD
Retailer 4$707 USD
Retailer 19$710 USD
Retailer 5$764 USD
Retailer 2$813 USD
Retailer 16$826 USD
Retailer 14$848 USD
Retailer 18$885 USD
Retailer 15$1,199 USD
Retailer 12$1,266 USD
Retailer 7$1,445 USD
Retailer 10$1,640 USD
Retailer 11$1,666 USD
Retailer 8$1,689 USD
Retailer 9$1,880 USD
Retailer 17$1,901 USD
Brilliance$1,927 USD

14 data points across 19 retailers

19 retailers$465 USD to $1,927 USD

A
Cheapest Retailer
-
$465 USD
Final sale: no returns
A
Retailer 2
-
$563 USD
HK$4,400 HKD
View
A
Retailer 3
-
$575 USD
£453 GBP
View
A
Retailer 4
-
$707 USD
View
B+
Retailer 5
-
$710 USD
View
B+
Retailer 6
-
$764 USD
View
B+
Retailer 7
-
$813 USD
View
B+
Retailer 8
-
$826 USD
€787 EUR
View
B+
Retailer 9
-
$848 USD
£667 GBP
View
B+
Retailer 10
-
$885 USD
ZAR 14,293 ZAR
View
B
Retailer 11
-
$1,199 USD
A$1,845 AUD
View
B
Retailer 12
-
$1,266 USD
A$1,947 AUD
View
Retailer 13
-
$1,445 USD
View
Price last confirmed 9 days ago
B
Retailer 14
-
$1,640 USD
SGD 2,216 SGD
View
B
Retailer 15
-
$1,666 USD
View
B
Retailer 16
-
$1,689 USD
View
B
Retailer 17
-
$1,880 USD
View
B
Retailer 18
-
$1,901 USD
£1,497 GBP
View
Most Expensive
B
Brilliance
D46167164 · Oct 30
$1,927 USD
View
18 more retailers have this diamond
Prices start from $465 USDSave up to $1,462 USD

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
$465 USD