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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 $1,200 USD
As of October 29, 2026
Save $2,288 USD (66%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,887 USD at NZ Jewellers · As of October 28, 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,940 USD|Low: $1,200 USD|High: $6,001 USD|Avg: $3,017 USD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 5$1,200 USD
Retailer 4$1,788 USD
Retailer 6$2,074 USD
Retailer 1$2,940 USD
Retailer 7$3,253 USD
Retailer 3$3,488 USD
Retailer 2$5,954 USD

41 data points across 7 retailers

11 retailers$1,200 USD to $3,488 USD

B+
Cheapest Retailer
-
$1,200 USD
B
Retailer 2
-
$1,788 USD
View
B
Retailer 3
-
$1,945 USD
View
Retailer 4
-
$2,074 USD
View
Price last confirmed 18 days ago
B
Retailer 5
-
$2,074 USD
View
B
Retailer 6
-
$2,240 USD
View
B
Retailer 7
-
$2,940 USD
£2,315 GBP
View
B
Retailer 8
-
$3,253 USD
View
B
Retailer 9
-
$3,488 USD
View
Most Expensive
NZ Jewellers
b445b5cd-9cba-4141-9fb9-647e99d26e38 · Oct 28
$3,887 USD
View
Price under review
9 more retailers have this diamond
Prices start from $1,200 USDSave up to $2,288 USD

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
$1,200 USD