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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 €416 EUR
$465 USD
As of October 30, 2026
Save €1,309 EUR (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,725 EUR 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 €416 to €1,725, a €1,309 spread on the same certified stone. Brilliance lists it at €1,725. 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

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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: €1,725 EUR|Low: €416 EUR|High: €1,725 EUR|Avg: €1,011 EUR|+7.4%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 31, 2026
Retailer 6€416 EUR
Retailer 3€504 EUR
Retailer 14€514 EUR
Retailer 4€633 EUR
Retailer 19€636 EUR
Retailer 5€684 EUR
Retailer 12€728 EUR
Retailer 2€735 EUR
Retailer 15€759 EUR
Retailer 18€792 EUR
Retailer 16€1,073 EUR
Retailer 13€1,133 EUR
Retailer 7€1,293 EUR
Retailer 10€1,468 EUR
Retailer 11€1,491 EUR
Retailer 8€1,512 EUR
Retailer 9€1,683 EUR
Retailer 17€1,702 EUR
Brilliance€1,725 EUR

15 data points across 19 retailers

19 retailers€416 EUR to €1,725 EUR

A
Cheapest Retailer
-
€416 EUR
$465 USD
Final sale: no returns
A
Retailer 2
-
€504 EUR
HK$4,400 HKD
View
A
Retailer 3
-
€514 EUR
£453 GBP
View
A
Retailer 4
-
€633 EUR
$707 USD
View
B+
Retailer 5
-
€636 EUR
$710 USD
View
B+
Retailer 6
-
€684 EUR
$764 USD
View
B+
Retailer 7
-
€728 EUR
$813 USD
View
B+
Retailer 8
-
€735 EUR
View
B+
Retailer 9
-
€759 EUR
£667 GBP
View
B+
Retailer 10
-
€792 EUR
ZAR 14,293 ZAR
View
B
Retailer 11
-
€1,073 EUR
A$1,845 AUD
View
B
Retailer 12
-
€1,133 EUR
A$1,947 AUD
View
Retailer 13
-
€1,293 EUR
$1,445 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
€1,468 EUR
SGD 2,216 SGD
View
B
Retailer 15
-
€1,491 EUR
$1,666 USD
View
B
Retailer 16
-
€1,512 EUR
$1,689 USD
View
B
Retailer 17
-
€1,683 EUR
$1,880 USD
View
B
Retailer 18
-
€1,702 EUR
£1,497 GBP
View
Most Expensive
B
Brilliance
D46167164 · Oct 30
€1,725 EUR
$1,927 USD
View
18 more retailers have this diamond
Prices start from €416 EURSave up to €1,309 EUR

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
€416 EUR