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Oval|Lab Grown|IGI

1.70ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG532274499

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG532274499

Diamond specifications and retailer prices

From $822 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $1,822 AUD at Brilliant Earth · As of October 12, 2026
View at Brilliant Earth

About this 1.7ct lab-grown oval diamond

This 1.7ct lab-grown oval 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 IGI LG532274499 or 532274499. Listed at 11 retailers as of October 29, 2026. 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

1.70
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532274499
Dimensions9.52 × 6.72 × 4.14 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.52 mm6.72 mm1.70 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532274499
Side View
Table 57.0%Crown 34.2°Girdle: STK-THKPavilion 39.3°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 29
Current: $1,822 AUD|Low: $249 AUD|High: $1,865 AUD|Avg: $989 AUD|-2.3%
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
October 19, 2026
Retailer 12$350 AUD
Retailer 7$527 AUD
Retailer 6$677 AUD
Retailer 8$711 AUD
Retailer 4$799 AUD
Retailer 13$799 AUD
Retailer 2$822 AUD
Retailer 10$868 AUD
Retailer 11$922 AUD
Retailer 5$1,330 AUD
Retailer 9$1,584 AUD
Retailer 3$1,795 AUD
Brilliant Earth$1,822 AUD

22 data points across 13 retailers

11 retailers

A
Retailer 1
-
$302 AUD
$212 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$364 AUD
$256 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$390 AUD
$274 USD
View
Price last confirmed 27 days ago
A
Retailer 4
-
$799 AUD
$561 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$822 AUD
View
B+
Retailer 6
-
$922 AUD
$648 USD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$1,254 AUD
$881 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$1,330 AUD
$934 USD
View
Price last confirmed 25 days ago
B
Retailer 9
-
$1,584 AUD
£876 GBP
View
Price last confirmed 23 days ago
B
Retailer 10
-
$1,795 AUD
$1,261 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
10788835A · Oct 12
$1,822 AUD
$1,280 USD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $822 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
1.70ct Oval
$822 AUD