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Oval|Lab Grown|IGI

1.74ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG494175787

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG494175787

Diamond specifications and retailer prices

From $1,708 AUD
$1,200 USD
As of October 29, 2026
Save $3,257 AUD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,534 AUD at NZ Jewellers · As of October 31, 2026
View at NZ Jewellers

About this 1.74ct lab-grown oval diamond

This 1.74ct lab-grown oval 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 LG494175787 or 494175787. Listed at 11 retailers as of October 29, 2026, with a 191% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494175787
Dimensions9.68 × 6.83 × 4.18 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.68 mm6.83 mm1.74 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494175787
Side View
Table 59.5%Crown 33.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $4,152 AUD|Low: $1,708 AUD|High: $8,543 AUD|Avg: $4,302 AUD|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 5$1,708 AUD
Retailer 4$2,545 AUD
Retailer 6$2,953 AUD
Retailer 1$4,152 AUD
Retailer 7$4,631 AUD
Retailer 3$4,966 AUD
Retailer 2$8,476 AUD

41 data points across 7 retailers

11 retailers$1,708 AUD to $4,966 AUD

B+
Cheapest Retailer
-
$1,708 AUD
$1,200 USD
B
Retailer 2
-
$2,545 AUD
$1,788 USD
View
B
Retailer 3
-
$2,769 AUD
$1,945 USD
View
Retailer 4
-
$2,953 AUD
$2,074 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
$2,953 AUD
$2,074 USD
View
B
Retailer 6
-
$3,189 AUD
$2,240 USD
View
B
Retailer 7
-
$4,152 AUD
£2,296 GBP
View
B
Retailer 8
-
$4,631 AUD
$3,253 USD
View
B
Retailer 9
-
$4,966 AUD
$3,488 USD
View
Most Expensive
NZ Jewellers
b445b5cd-9cba-4141-9fb9-647e99d26e38 · Oct 31
$5,534 AUD
$3,887 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,708 AUDSave up to $3,257 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.

B+
1.74ct Oval
$1,708 AUD