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Round|Lab Grown|IGI

1.74ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG770643218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770643218

Diamond specifications and retailer prices

From $354 AUD
$248 USD
As of November 1, 2026
Save $1,569 AUD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,923 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.74ct lab-grown round diamond

This 1.74ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770643218 or 770643218. Listed at 20 retailers as of November 1, 2026, with prices from $354 to $1,923, a $1,569 spread on the same certified stone. Reve Diamonds lists it at $1,923. 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

1.74
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770643218
Dimensions7.75 × 7.69 × 4.74 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
7.75 mm7.69 mm1.74 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770643218
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.5%

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: $825 AUD|Low: $351 AUD|High: $1,923 AUD|Avg: $954 AUD|+6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Reve Diamonds
November 3, 2026
Retailer 5$354 AUD
Retailer 11$408 AUD
Retailer 12$411 AUD
Retailer 2$439 AUD
Retailer 15$439 AUD
Retailer 3$738 AUD
Retailer 9$760 AUD
Retailer 14$809 AUD
Retailer 1$825 AUD
Retailer 8$1,180 AUD
Retailer 13$1,191 AUD
Retailer 6$1,413 AUD
Retailer 7$1,455 AUD
Retailer 4$1,486 AUD
Retailer 10$1,761 AUD
Reve Diamonds$1,923 AUD

44 data points across 16 retailers

20 retailers$354 AUD to $1,923 AUD

Retailer 1
-
$351 AUD
$246 USD
Price last confirmed 41 days ago
A
Retailer 2
-
$354 AUD
$248 USD
View
A
Retailer 3
-
$408 AUD
$286 USD
View
Final sale: no returns
A
Retailer 4
-
$411 AUD
$288 USD
View
Retailer 5
-
$429 AUD
$301 USD
View
Price last confirmed 42 days ago
Retailer 6
-
$439 AUD
$308 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$439 AUD
$308 USD
View
B+
Retailer 8
-
$738 AUD
$517 USD
View
A
Retailer 9
-
$760 AUD
€507 EUR
View
B+
Retailer 10
-
$809 AUD
$567 USD
View
A
Retailer 11
-
$825 AUD
£455 GBP
View
B+
Retailer 12
-
$848 AUD
$594 USD
View
B+
Retailer 13
-
$1,180 AUD
$827 USD
View
Retailer 14
-
$1,191 AUD
$835 USD
View
Price last confirmed 12 days ago
Retailer 15
-
$1,400 AUD
$981 USD
View
Price last confirmed 43 days ago
B
Retailer 16
-
$1,413 AUD
$990 USD
View
B
Retailer 17
-
$1,455 AUD
$1,020 USD
View
B
Retailer 18
-
$1,486 AUD
$1,041 USD
View
B
Retailer 19
-
$1,761 AUD
£972 GBP
View
Most Expensive
B
Reve Diamonds
81CA816BC · Nov 1
$1,923 AUD
$1,348 USD
View
19 more retailers have this diamond
Prices start from $354 AUDSave up to $1,569 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
1.74ct Round
$354 AUD