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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 $740 SGD
A$888 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $1,641 SGD 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

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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: $1,641 SGD|Low: $224 SGD|High: $1,679 SGD|Avg: $891 SGD|-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$315 SGD
Retailer 7$474 SGD
Retailer 6$610 SGD
Retailer 8$640 SGD
Retailer 4$719 SGD
Retailer 13$719 SGD
Retailer 2$740 SGD
Retailer 10$782 SGD
Retailer 11$831 SGD
Retailer 5$1,197 SGD
Retailer 9$1,426 SGD
Retailer 3$1,616 SGD
Brilliant Earth$1,641 SGD

22 data points across 13 retailers

11 retailers

Retailer 1
-
$272 SGD
$212 USD
Price last confirmed 28 days ago
Retailer 2
-
$328 SGD
$256 USD
View
Price last confirmed 34 days ago
Retailer 3
-
$351 SGD
$274 USD
View
Price last confirmed 27 days ago
Retailer 4
-
$719 SGD
$561 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$740 SGD
A$888 AUD
View
Retailer 6
-
$831 SGD
$648 USD
View
Price last confirmed 24 days ago
Retailer 7
-
$1,129 SGD
$881 USD
View
Price last confirmed 29 days ago
Retailer 8
-
$1,197 SGD
$934 USD
View
Price last confirmed 25 days ago
Retailer 9
-
$1,426 SGD
£876 GBP
View
Price last confirmed 24 days ago
Retailer 10
-
$1,616 SGD
$1,261 USD
View
Price last confirmed 25 days ago
Most Expensive
Brilliant Earth
10788835A · Oct 12
$1,641 SGD
$1,280 USD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $740 SGD

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
$740 SGD