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Round|Lab Grown|IGI

1.73ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG564351777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG564351777

Diamond specifications and retailer prices

From $301 USD
As of November 1, 2026
Save $1,919 USD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,220 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG564351777 or 564351777. Listed at 17 retailers as of October 31, 2026, with prices from $301 to $2,220, a $1,919 spread on the same certified stone. Do Amore Diamonds lists it at $2,220. 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

1.73
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG564351777
Dimensions7.70 × 7.66 × 4.77 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.70 mm7.66 mm1.73 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG564351777
Side View
Table 57.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 62.2%

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: Nov 1
Current: $2,220 USD|Low: $267 USD|High: $2,290 USD|Avg: $764 USD|-3.1%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 1, 2026
Retailer 6$267 USD
Retailer 7$296 USD
Retailer 4$301 USD
Retailer 15$386 USD
Retailer 3$422 USD
Retailer 13$423 USD
Retailer 12$548 USD
Retailer 8$602 USD
Retailer 10$625 USD
Retailer 9$684 USD
Retailer 14$840 USD
Retailer 11$925 USD
Retailer 5$1,227 USD
Retailer 2$1,269 USD
Do Amore Diamonds$2,220 USD

40 data points across 15 retailers

17 retailers$301 USD to $2,220 USD

Retailer 1
-
$238 USD
Price last confirmed 33 days ago
Retailer 2
-
$276 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$292 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$301 USD
View
B+
Retailer 5
-
$386 USD
View
A
Retailer 6
-
$422 USD
HK$3,300 HKD
View
A
Retailer 7
-
$423 USD
View
A
Retailer 8
-
$548 USD
View
A
Retailer 9
-
$562 USD
View
A
Retailer 10
-
$602 USD
£474 GBP
View
B+
Retailer 11
-
$684 USD
€651 EUR
View
Retailer 12
-
$840 USD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$925 USD
View
Retailer 14
-
$1,049 USD
View
Price last confirmed 31 days ago
B
Retailer 15
-
$1,227 USD
SGD 1,658 SGD
View
B
Retailer 16
-
$1,269 USD
£999 GBP
View
Most Expensive
B
Do Amore Diamonds
27-480D56BE2 · Oct 31
$2,220 USD
View
16 more retailers have this diamond
Prices start from $301 USDSave up to $1,919 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
$301 USD