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Cushion|Lab Grown|IGI

1.72ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG487193459

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

Certificate IGI LG487193459

Diamond specifications and retailer prices

From $237 USD
As of October 28, 2026
Save $1,793 USD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,030 USD at Do Amore Diamonds · As of October 29, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG487193459 or 487193459. Listed at 13 retailers as of October 28, 2026, with prices from $237 to $2,030, a $1,793 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
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG487193459
Dimensions7.05 × 6.79 × 4.62 mm
L/W Ratio1.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.05 mm6.79 mm1.72 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG487193459
Side View
Table 60.5%Crown 36.2°Girdle: MED-THKPavilion 39.3°Culet: NoneDepth 68.0%

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 28
Current: $546 USD|Low: $237 USD|High: $2,260 USD|Avg: $784 USD|+4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9$237 USD
Retailer 7$262 USD
Retailer 2$352 USD
Retailer 3$467 USD
Retailer 1$546 USD
Retailer 10$600 USD
Retailer 8$943 USD
Retailer 4$1,025 USD
Retailer 6$1,166 USD
Retailer 5$1,850 USD

41 data points across 10 retailers

13 retailers$237 USD to $2,030 USD

A
Cheapest Retailer
-
$237 USD
Final sale: no returns
A
Retailer 2
-
$262 USD
View
B+
Retailer 3
-
$352 USD
View
A
Retailer 4
-
$460 USD
View
A
Retailer 5
-
$467 USD
€445 EUR
View
A
Retailer 6
-
$546 USD
£430 GBP
View
A
Retailer 7
-
$600 USD
View
B+
Retailer 8
-
$943 USD
View
Retailer 9
-
$1,025 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,045 USD
View
B
Retailer 11
-
$1,166 USD
£918 GBP
View
B
Retailer 12
-
$1,850 USD
View
Most Expensive
B
Do Amore Diamonds
27-BD308F07B · Oct 29
$2,030 USD
View
12 more retailers have this diamond
Prices start from $237 USDSave up to $1,793 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
1.72ct Cushion
$237 USD