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Cushion|Lab Grown|IGI

1.72ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG553234695

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG553234695

Diamond specifications and retailer prices

From $886 USD
As of October 27, 2026
Save $1,144 USD (56%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,030 USD at Do Amore Diamonds · As of October 27, 2026
View at Do Amore Diamonds

About this 1.72ct lab-grown cushion diamond

This 1.72ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG553234695 or 553234695. Listed at 5 retailers as of October 27, 2026, with prices from $886 to $2,030, a $1,144 spread on the same certified stone. Do Amore Diamonds lists it at $2,030. 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

1.72
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553234695
Dimensions6.90 × 6.86 × 4.56 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
6.90 mm6.86 mm1.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG553234695
Side View
Table 58.5%Crown 35.7°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,030 USD|Low: $239 USD|High: $2,050 USD|Avg: $1,010 USD|-1.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 6$239 USD
Retailer 3$451 USD
Retailer 4$886 USD
Retailer 2$1,161 USD
Retailer 5$1,220 USD
Do Amore Diamonds$2,030 USD

13 data points across 6 retailers

5 retailers$886 USD to $2,030 USD

Retailer 1
-
$451 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
$886 USD
View
B+
Retailer 3
-
$1,161 USD
£914 GBP
View
B
Retailer 4
-
$1,220 USD
View
Most Expensive
B
Do Amore Diamonds
27-9CCDE8A42 · Oct 27
$2,030 USD
View
4 more retailers have this diamond
Prices start from $886 USDSave up to $1,144 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.

B+
1.72ct Cushion
$886 USD