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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 $577 USD
A$888 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $1,280 USD 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
Color
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: $1,280 USD|Low: $175 USD|High: $1,310 USD|Avg: $695 USD|-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$246 USD
Retailer 7$370 USD
Retailer 6$476 USD
Retailer 8$500 USD
Retailer 4$561 USD
Retailer 13$561 USD
Retailer 2$577 USD
Retailer 10$610 USD
Retailer 11$648 USD
Retailer 5$934 USD
Retailer 9$1,113 USD
Retailer 3$1,261 USD
Brilliant Earth$1,280 USD

22 data points across 13 retailers

11 retailers

A
Retailer 1
-
$212 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$256 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$274 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$561 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$577 USD
A$888 AUD
View
B+
Retailer 6
-
$648 USD
View
Price last confirmed 24 days ago
B
Retailer 7
-
$881 USD
View
Price last confirmed 29 days ago
B+
Retailer 8
-
$934 USD
View
Price last confirmed 24 days ago
B
Retailer 9
-
$1,113 USD
£876 GBP
View
Price last confirmed 23 days ago
B
Retailer 10
-
$1,261 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
10788835A · Oct 12
$1,280 USD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $577 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.

A
1.70ct Oval
$577 USD