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Cushion|Lab Grown|IGI

1.71ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG515227082

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

Certificate IGI LG515227082

Diamond specifications and retailer prices

From $382 USD
As of November 1, 2026
Save $1,968 USD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,350 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG515227082 or 515227082. Listed at 10 retailers as of November 1, 2026, with prices from $382 to $2,350, a $1,968 spread on the same certified stone. Do Amore Diamonds lists it at $2,350. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.71
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG515227082
Dimensions6.88 × 6.83 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.88 mm6.83 mm1.71 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG515227082
Side View
Table 62.0%Crown 35°Girdle: STK-VTKPavilion 40.6°Culet: NoneDepth 68.5%

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: Nov 1
Current: $2,350 USD|Low: $382 USD|High: $2,350 USD|Avg: $1,009 USD|+17.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 5$382 USD
Retailer 7$455 USD
Retailer 2$478 USD
Retailer 4$485 USD
Retailer 9$662 USD
Retailer 8$875 USD
Retailer 10$1,163 USD
Retailer 3$1,310 USD
Retailer 6$1,453 USD
Do Amore Diamonds$2,350 USD

28 data points across 10 retailers

10 retailers$382 USD to $2,350 USD

B+
Cheapest Retailer
-
$382 USD
A
Retailer 2
-
$455 USD
View
B+
Retailer 3
-
$478 USD
£376 GBP
View
A
Retailer 4
-
$485 USD
View
A
Retailer 5
-
$662 USD
View
B+
Retailer 6
-
$875 USD
View
B+
Retailer 7
-
$1,163 USD
View
B
Retailer 8
-
$1,310 USD
View
B
Retailer 9
-
$1,453 USD
£1,144 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0CB569BFC · Nov 2
$2,350 USD
View
9 more retailers have this diamond
Prices start from $382 USDSave up to $1,968 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
$382 USD