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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 €193 EUR
$217 USD
As of November 1, 2026
Save €1,064 EUR (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €1,257 EUR 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 €193 to €1,257, a €1,064 spread on the same certified stone. Brilliant Earth lists it at €1,257. 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: €1,257 EUR|Low: €193 EUR|High: €1,569 EUR|Avg: €590 EUR|-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€193 EUR
Retailer 13€240 EUR
Retailer 3€409 EUR
Retailer 2€440 EUR
Retailer 6€443 EUR
Retailer 8€444 EUR
Retailer 5€475 EUR
Retailer 9€497 EUR
Retailer 4€499 EUR
Retailer 10€758 EUR
Retailer 11€772 EUR
Retailer 7€959 EUR
Brilliant Earth€1,257 EUR

44 data points across 13 retailers

19 retailers€193 EUR to €1,257 EUR

A
Cheapest Retailer
-
€193 EUR
$217 USD
Retailer 2
-
€193 EUR
$217 USD
View
Price last confirmed 41 days ago
Retailer 3
-
€224 EUR
$251 USD
View
Price last confirmed 41 days ago
Retailer 4
-
€236 EUR
$265 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
€240 EUR
$269 USD
View
Retailer 6
-
€240 EUR
$269 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€409 EUR
$459 USD
View
A
Retailer 8
-
€440 EUR
£388 GBP
View
A
Retailer 9
-
€443 EUR
£391 GBP
View
A
Retailer 10
-
€444 EUR
View
A
Retailer 11
-
€475 EUR
$533 USD
View
A
Retailer 12
-
€497 EUR
A$858 AUD
View
A
Retailer 13
-
€499 EUR
$560 USD
View
B+
Retailer 14
-
€758 EUR
$850 USD
View
Retailer 15
-
€769 EUR
$863 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
€769 EUR
$863 USD
View
B
Retailer 17
-
€772 EUR
$866 USD
View
B
Retailer 18
-
€959 EUR
£847 GBP
View
Most Expensive
B
Brilliant Earth
15627443A · Nov 1
€1,257 EUR
$1,410 USD
View
18 more retailers have this diamond
Prices start from €193 EURSave up to €1,064 EUR

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
€193 EUR