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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 $386 NZD
$217 USD
As of November 1, 2026
Save $2,120 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,506 NZD 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 $386 to $2,506, a $2,120 spread on the same certified stone. Brilliant Earth lists it at $2,506. 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: $2,506 NZD|Low: $386 NZD|High: $3,128 NZD|Avg: $1,177 NZD|-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$386 NZD
Retailer 13$478 NZD
Retailer 3$816 NZD
Retailer 2$877 NZD
Retailer 6$883 NZD
Retailer 8$885 NZD
Retailer 5$947 NZD
Retailer 9$991 NZD
Retailer 4$995 NZD
Retailer 10$1,511 NZD
Retailer 11$1,539 NZD
Retailer 7$1,912 NZD
Brilliant Earth$2,506 NZD

43 data points across 13 retailers

19 retailers$386 NZD to $2,506 NZD

A
Cheapest Retailer
-
$386 NZD
$217 USD
Retailer 2
-
$386 NZD
$217 USD
View
Price last confirmed 41 days ago
Retailer 3
-
$446 NZD
$251 USD
View
Price last confirmed 41 days ago
Retailer 4
-
$471 NZD
$265 USD
View
Price last confirmed 41 days ago
A
Retailer 5
-
$478 NZD
$269 USD
View
Retailer 6
-
$478 NZD
$269 USD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$816 NZD
$459 USD
View
A
Retailer 8
-
$877 NZD
£388 GBP
View
A
Retailer 9
-
$883 NZD
£391 GBP
View
A
Retailer 10
-
$885 NZD
€474 EUR
View
A
Retailer 11
-
$947 NZD
$533 USD
View
A
Retailer 12
-
$991 NZD
A$858 AUD
View
A
Retailer 13
-
$995 NZD
$560 USD
View
B+
Retailer 14
-
$1,511 NZD
$850 USD
View
Retailer 15
-
$1,534 NZD
$863 USD
View
Price last confirmed 42 days ago
B
Retailer 16
-
$1,534 NZD
$863 USD
View
B
Retailer 17
-
$1,539 NZD
$866 USD
View
B
Retailer 18
-
$1,912 NZD
£847 GBP
View
Most Expensive
B
Brilliant Earth
15627443A · Nov 1
$2,506 NZD
$1,410 USD
View
18 more retailers have this diamond
Prices start from $386 NZDSave up to $2,120 NZD

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
$386 NZD