Cushion|Lab Grown|IGI

1.73ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG804650251

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG804650251

Diamond specifications and retailer prices

From $751 USD
£591 GBP
As of October 30, 2026
Save $3,839 USD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $4,590 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804650251 or 804650251. Listed at 9 retailers as of October 30, 2026, with prices from $751 to $4,590, a $3,839 spread on the same certified stone. Do Amore Diamonds lists it at $4,590. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804650251
Dimensions8.92 × 6.07 × 3.87 mm
L/W Ratio1.47
Girdle conditionFaceted
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
8.92 mm6.07 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804650251
Side View
Table 64.0%Crown 34.4°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 63.8%

Caratlytics Score

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A+
Exceptional
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: $4,590 USD|Low: $618 USD|High: $4,970 USD|Avg: $2,153 USD|-7.6%
Do Amore Diamonds
Retailer 2
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October 31, 2026
Retailer 6$618 USD
Retailer 5$669 USD
Retailer 13$751 USD
Retailer 2$995 USD
Retailer 16$995 USD
Retailer 18$1,159 USD
Retailer 4$1,471 USD
Retailer 17$1,488 USD
Retailer 11$1,593 USD
Retailer 9$1,689 USD
Retailer 15$2,059 USD
Retailer 3$2,499 USD
Retailer 8$2,680 USD
Retailer 14$3,091 USD
Retailer 7$3,368 USD
Retailer 12$3,580 USD
Retailer 10$3,782 USD
Do Amore Diamonds$4,590 USD

20 data points across 18 retailers

9 retailers$751 USD to $4,590 USD

A+
Cheapest Retailer
-
$751 USD
£591 GBP
A
Retailer 2
-
$995 USD
View
A
Retailer 3
-
$995 USD
View
A
Retailer 4
-
$1,593 USD
View
B+
Retailer 5
-
$2,059 USD
View
Retailer 6
-
$2,680 USD
View
Price last confirmed 52 days ago
B+
Retailer 7
-
$3,091 USD
£2,434 GBP
View
B+
Retailer 8
-
$3,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-68201D62D · Oct 31
$4,590 USD
View
8 more retailers have this diamond
Prices start from $751 USDSave up to $3,839 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+
1.73ct Cushion
$751 USD