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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 $278 SGD
$217 USD
As of November 1, 2026
Save $1,526 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,803 SGD 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 $278 to $1,803, a $1,526 spread on the same certified stone. Brilliant Earth lists it at $1,803. 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: $1,803 SGD|Low: $278 SGD|High: $2,251 SGD|Avg: $846 SGD|-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$278 SGD
Retailer 13$344 SGD
Retailer 3$587 SGD
Retailer 2$631 SGD
Retailer 6$636 SGD
Retailer 8$637 SGD
Retailer 5$682 SGD
Retailer 9$713 SGD
Retailer 4$716 SGD
Retailer 10$1,087 SGD
Retailer 11$1,108 SGD
Retailer 7$1,376 SGD
Brilliant Earth$1,803 SGD

44 data points across 13 retailers

19 retailers$278 SGD to $1,803 SGD

A
Cheapest Retailer
-
$278 SGD
$217 USD
Retailer 2
-
$278 SGD
$217 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$321 SGD
$251 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$339 SGD
$265 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$344 SGD
$269 USD
View
Retailer 6
-
$344 SGD
$269 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$587 SGD
$459 USD
View
A
Retailer 8
-
$631 SGD
£388 GBP
View
A
Retailer 9
-
$636 SGD
£391 GBP
View
A
Retailer 10
-
$637 SGD
€474 EUR
View
A
Retailer 11
-
$682 SGD
$533 USD
View
A
Retailer 12
-
$713 SGD
A$858 AUD
View
A
Retailer 13
-
$716 SGD
$560 USD
View
B+
Retailer 14
-
$1,087 SGD
$850 USD
View
Retailer 15
-
$1,104 SGD
$863 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
$1,104 SGD
$863 USD
View
B
Retailer 17
-
$1,108 SGD
$866 USD
View
B
Retailer 18
-
$1,376 SGD
£847 GBP
View
Most Expensive
B
Brilliant Earth
15627443A · Nov 1
$1,803 SGD
$1,410 USD
View
18 more retailers have this diamond
Prices start from $278 SGDSave up to $1,526 SGD

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
$278 SGD