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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG791609280

Shape and cutting style on the report: Round brilliant

Certificate IGI LG791609280

Diamond specifications and retailer prices

From $567 USD
As of November 1, 2026
Save $4,473 USD (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,040 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown round diamond

This 1.73ct lab-grown round 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 LG791609280 or 791609280. Listed at 21 retailers as of October 31, 2026, with prices from $567 to $5,040, a $4,473 spread on the same certified stone. Do Amore Diamonds lists it at $5,040. 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 angle35.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791609280
Dimensions7.67 × 7.69 × 4.76 mm
L/W Ratio1.00
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
7.67 mm7.69 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791609280
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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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: $1,213 USD|Low: $544 USD|High: $3,096 USD|Avg: $1,389 USD|+4.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 12$567 USD
Retailer 5$634 USD
Retailer 3$635 USD
Retailer 13$703 USD
Retailer 9$835 USD
Retailer 7$1,131 USD
Retailer 1$1,213 USD
Retailer 8$1,334 USD
Retailer 11$1,745 USD
Retailer 4$2,042 USD
Retailer 2$2,083 USD
Retailer 10$2,955 USD
Retailer 6$3,075 USD

43 data points across 13 retailers

21 retailers$567 USD to $5,040 USD

A
Cheapest Retailer
-
$567 USD
A
Retailer 2
-
$634 USD
View
Final sale: no returns
A
Retailer 3
-
$635 USD
View
Retailer 4
-
$703 USD
View
Price last confirmed 16 days ago
A
Retailer 5
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$703 USD
View
A
Retailer 6
-
$835 USD
View
A
Retailer 7
-
$930 USD
View
A
Retailer 8
-
$1,012 USD
View
A
Retailer 9
-
$1,131 USD
€1,077 EUR
View
B+
Retailer 10
-
$1,213 USD
£955 GBP
View
B+
Retailer 11
-
$1,334 USD
ZAR 21,552 ZAR
View
B+
Retailer 12
-
$1,404 USD
View
B+
Retailer 13
-
$1,745 USD
View
B+
Retailer 14
-
$1,840 USD
View
B+
Retailer 15
-
$2,042 USD
View
B+
Retailer 16
-
$2,083 USD
View
B
Retailer 17
-
$2,349 USD
View
B
Retailer 18
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$2,624 USD
View
Retailer 19
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$2,955 USD
View
Price last confirmed 14 days ago
B
Retailer 20
-
$3,075 USD
£2,421 GBP
View
Most Expensive
B
Do Amore Diamonds
27-37D0D3F4D · Oct 31
$5,040 USD
View
20 more retailers have this diamond
Prices start from $567 USDSave up to $4,473 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 Round
$567 USD