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Round|Lab Grown|IGI

1.77ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG723542201

Shape and cutting style on the report: Round brilliant

Certificate IGI LG723542201

Diamond specifications and retailer prices

From $310 AUD
$217 USD
As of November 1, 2026
Save $1,702 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,012 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.77ct lab-grown round diamond

This 1.77ct 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 LG723542201 or 723542201. Listed at 19 retailers as of November 1, 2026, with prices from $310 to $2,012, a $1,702 spread on the same certified stone. Brilliant Earth lists it at $2,012. 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

1.77
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723542201
Dimensions7.97 × 7.92 × 4.65 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.97 mm7.92 mm1.77 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723542201
Side View
Table 59.0%Crown 32.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.5%

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: $2,012 AUD|Low: $310 AUD|High: $2,511 AUD|Avg: $944 AUD|-19.9%
Brilliant Earth
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 2, 2026
Retailer 12$310 AUD
Retailer 13$384 AUD
Retailer 3$655 AUD
Retailer 2$704 AUD
Retailer 6$709 AUD
Retailer 8$710 AUD
Retailer 5$761 AUD
Retailer 9$796 AUD
Retailer 4$799 AUD
Retailer 10$1,213 AUD
Retailer 11$1,236 AUD
Retailer 7$1,535 AUD
Brilliant Earth$2,012 AUD

44 data points across 13 retailers

19 retailers$310 AUD to $2,012 AUD

A
Cheapest Retailer
-
$310 AUD
$217 USD
Retailer 2
-
$310 AUD
$217 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$358 AUD
$251 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$378 AUD
$265 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$384 AUD
$269 USD
View
Retailer 6
-
$384 AUD
$269 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$655 AUD
$459 USD
View
A
Retailer 8
-
$704 AUD
£388 GBP
View
A
Retailer 9
-
$709 AUD
£391 GBP
View
A
Retailer 10
-
$710 AUD
€474 EUR
View
A
Retailer 11
-
$761 AUD
$533 USD
View
A
Retailer 12
-
$796 AUD
View
A
Retailer 13
-
$799 AUD
$560 USD
View
B+
Retailer 14
-
$1,213 AUD
$850 USD
View
Retailer 15
-
$1,231 AUD
$863 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
$1,231 AUD
$863 USD
View
B
Retailer 17
-
$1,236 AUD
$866 USD
View
B
Retailer 18
-
$1,535 AUD
£847 GBP
View
Most Expensive
B
Brilliant Earth
15627443A · Nov 1
$2,012 AUD
$1,410 USD
View
18 more retailers have this diamond
Prices start from $310 AUDSave up to $1,702 AUD

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
1.77ct Round
$310 AUD