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Round|Lab Grown|IGI

1.73ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG786644874

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786644874

Diamond specifications and retailer prices

From $754 USD
As of November 1, 2026
Save $5,046 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,800 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG786644874 or 786644874. Listed at 23 retailers as of October 31, 2026, with prices from $754 to $5,800, a $5,046 spread on the same certified stone. Brilliant Earth lists it at $5,800. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786644874
Dimensions7.80 × 7.84 × 4.65 mm
L/W Ratio1.01
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
7.80 mm7.84 mm1.73 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786644874
Side View
Table 58.0%Crown 32°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.5%

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: $5,800 USD|Low: $719 USD|High: $5,800 USD|Avg: $1,974 USD
Brilliant Earth
Retailer 2
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Retailer 23
November 1, 2026
Retailer 5$754 USD
Retailer 22$820 USD
Retailer 14$844 USD
Retailer 3$875 USD
Retailer 7$875 USD
Retailer 23$1,011 USD
Retailer 8$1,050 USD
Retailer 11$1,120 USD
Retailer 12$1,252 USD
Retailer 13$1,324 USD
Retailer 9$1,371 USD
Retailer 17$1,388 USD
Retailer 19$1,607 USD
Retailer 18$1,850 USD
Retailer 21$1,884 USD
Retailer 4$2,459 USD
Retailer 20$2,820 USD
Retailer 16$2,943 USD
Retailer 6$2,955 USD
Retailer 15$2,961 USD
Retailer 10$3,018 USD
Retailer 2$3,434 USD
Brilliant Earth$5,800 USD

32 data points across 23 retailers

23 retailers$754 USD to $5,800 USD

A
Cheapest Retailer
-
$754 USD
A
Retailer 2
-
$820 USD
View
A
Retailer 3
-
$844 USD
View
Final sale: no returns
Retailer 4
-
$875 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$875 USD
View
A
Retailer 6
-
$1,011 USD
HK$7,900 HKD
View
A
Retailer 7
-
$1,050 USD
View
A
Retailer 8
-
$1,120 USD
View
B+
Retailer 9
-
$1,252 USD
View
B+
Retailer 10
-
$1,324 USD
£1,042 GBP
View
B+
Retailer 11
-
$1,371 USD
View
B+
Retailer 12
-
$1,388 USD
€1,322 EUR
View
B+
Retailer 13
-
$1,607 USD
ZAR 25,969 ZAR
View
B+
Retailer 14
-
$1,850 USD
View
B+
Retailer 15
-
$1,884 USD
A$2,898 AUD
View
B
Retailer 16
-
$2,459 USD
View
B
Retailer 17
-
$2,820 USD
View
B
Retailer 18
-
$2,943 USD
SGD 3,977 SGD
View
Retailer 19
-
$2,955 USD
View
Price last confirmed 14 days ago
B
Retailer 20
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$2,961 USD
View
B
Retailer 21
-
$3,018 USD
View
B
Retailer 22
-
$3,434 USD
£2,704 GBP
View
Most Expensive
B
Brilliant Earth
20735448A · Oct 31
$5,800 USD
View
22 more retailers have this diamond
Prices start from $754 USDSave up to $5,046 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
$754 USD