CaratHunter
Plans
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 $217 USD
As of November 1, 2026
Save $1,543 USD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,760 USD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $217 to $1,760, a $1,543 spread on the same certified stone. Brilliant Earth lists it at $1,760. 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
Color
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,760 USD|Low: $217 USD|High: $1,760 USD|Avg: $663 USD
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 1, 2026
Retailer 12$217 USD
Retailer 13$269 USD
Retailer 3$459 USD
Retailer 6$493 USD
Retailer 7$497 USD
Retailer 8$498 USD
Retailer 5$533 USD
Retailer 9$558 USD
Retailer 4$560 USD
Retailer 10$850 USD
Retailer 11$866 USD
Retailer 2$1,076 USD
Brilliant Earth$1,760 USD

44 data points across 13 retailers

19 retailers$217 USD to $1,760 USD

A
Cheapest Retailer
-
$217 USD
Retailer 2
-
$217 USD
View
Price last confirmed 40 days ago
Retailer 3
-
$251 USD
View
Price last confirmed 40 days ago
Retailer 4
-
$265 USD
View
Price last confirmed 40 days ago
A
Retailer 5
-
$269 USD
View
Retailer 6
-
$269 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$459 USD
View
A
Retailer 8
-
$493 USD
£388 GBP
View
A
Retailer 9
-
$497 USD
£391 GBP
View
A
Retailer 10
-
$498 USD
€474 EUR
View
A
Retailer 11
-
$533 USD
View
B+
Retailer 12
-
$558 USD
A$858 AUD
View
A
Retailer 13
-
$560 USD
View
Retailer 14
-
$850 USD
View
Retailer 15
-
$863 USD
View
Price last confirmed 41 days ago
B+
Retailer 16
-
$863 USD
View
B
Retailer 17
-
$866 USD
View
B
Retailer 18
-
$1,076 USD
£847 GBP
View
Most Expensive
B
Brilliant Earth
15627443A · Oct 31
$1,760 USD
View
18 more retailers have this diamond
Prices start from $217 USDSave up to $1,543 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
1.77ct Round
$217 USD