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Round|Lab Grown|GIA

1.74ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • GIA 2517240999

Certificate GIA 2517240999

Diamond specifications and retailer prices

From $828 AUD
$582 USD
As of October 27, 2026
Save $1,905 AUD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,733 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2517240999. Listed at 6 retailers as of October 27, 2026, with prices from $828 to $2,733, a $1,905 spread on the same certified stone. Brilliant Earth lists it at $2,733. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 2517240999
Dimensions7.72 × 7.75 × 4.76 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.72 mm7.75 mm1.74 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2517240999
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
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: Oct 27
Current: $2,733 AUD|Low: $828 AUD|High: $4,790 AUD|Avg: $2,052 AUD|-8.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$828 AUD
Retailer 9$1,110 AUD
Retailer 4$1,221 AUD
Retailer 5$1,255 AUD
Retailer 8$1,455 AUD
Retailer 2$1,492 AUD
Retailer 3$1,497 AUD
Brilliant Earth$2,733 AUD
Retailer 10$4,081 AUD
Retailer 7$4,790 AUD

22 data points across 10 retailers

6 retailers$828 AUD to $2,733 AUD

A
Cheapest Retailer
-
$828 AUD
$582 USD
B+
Retailer 2
-
$1,221 AUD
HK$6,700 HKD
View
B+
Retailer 3
-
$1,255 AUD
$882 USD
View
B+
Retailer 4
-
$1,492 AUD
€998 EUR
View
B
Retailer 5
-
$1,497 AUD
View
Most Expensive
B
Brilliant Earth
13162572A · Oct 29
$2,733 AUD
$1,920 USD
View
5 more retailers have this diamond
Prices start from $828 AUDSave up to $1,905 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
$828 AUD