Cushion|Lab Grown|IGI

1.73ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG800676915

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800676915

Diamond specifications and retailer prices

From $838 USD
As of October 30, 2026
Save $4,212 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,050 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 LG800676915 or 800676915. Listed at 10 retailers as of October 30, 2026, with prices from $838 to $5,050, a $4,212 spread on the same certified stone. Do Amore Diamonds lists it at $5,050. 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°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676915
Dimensions8.35 × 6.41 × 4.20 mm
L/W Ratio1.30
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
8.35 mm6.41 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676915
Side View
Table 60.0%Crown 34°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 65.5%

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: Oct 30
Current: $5,050 USD|Low: $632 USD|High: $6,690 USD|Avg: $2,355 USD|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6$838 USD
Retailer 8$845 USD
Retailer 10$884 USD
Retailer 5$1,086 USD
Retailer 9$1,097 USD
Retailer 3$1,257 USD
Retailer 7$2,910 USD
Retailer 4$3,086 USD
Retailer 2$3,580 USD
Do Amore Diamonds$5,050 USD

27 data points across 10 retailers

10 retailers$838 USD to $5,050 USD

A
Cheapest Retailer
-
$838 USD
A
Retailer 2
-
$845 USD
View
A
Retailer 3
-
$884 USD
View
Final sale: no returns
A
Retailer 4
-
$1,086 USD
View
A
Retailer 5
-
$1,097 USD
View
A
Retailer 6
-
$1,257 USD
€1,197 EUR
View
Retailer 7
-
$2,910 USD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$3,086 USD
£2,430 GBP
View
B
Retailer 9
-
$3,580 USD
View
Most Expensive
B
Do Amore Diamonds
27-6E9161DE6 · Oct 31
$5,050 USD
View
9 more retailers have this diamond
Prices start from $838 USDSave up to $4,212 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
$838 USD