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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 $1,028 NZD
A$888 AUD
As of October 29, 2026
11 retailers carry this diamond
Most expensive: $2,280 NZD 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: $2,280 NZD|Low: $312 NZD|High: $2,334 NZD|Avg: $1,238 NZD|-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$438 NZD
Retailer 7$659 NZD
Retailer 6$847 NZD
Retailer 8$890 NZD
Retailer 4$999 NZD
Retailer 13$999 NZD
Retailer 2$1,028 NZD
Retailer 10$1,087 NZD
Retailer 11$1,154 NZD
Retailer 5$1,664 NZD
Retailer 9$1,982 NZD
Retailer 3$2,246 NZD
Brilliant Earth$2,280 NZD

22 data points across 13 retailers

11 retailers

A
Retailer 1
-
$378 NZD
$212 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$456 NZD
$256 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$488 NZD
$274 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$999 NZD
$561 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
$1,028 NZD
A$888 AUD
View
B+
Retailer 6
-
$1,154 NZD
$648 USD
View
Price last confirmed 23 days ago
B
Retailer 7
-
$1,570 NZD
$881 USD
View
Price last confirmed 28 days ago
B+
Retailer 8
-
$1,664 NZD
$934 USD
View
Price last confirmed 24 days ago
B
Retailer 9
-
$1,982 NZD
£876 GBP
View
Price last confirmed 23 days ago
B
Retailer 10
-
$2,246 NZD
$1,261 USD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
10788835A · Oct 12
$2,280 NZD
$1,280 USD
View
Price last confirmed 17 days ago
10 more retailers have this diamond
Prices start from $1,028 NZD

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
$1,028 NZD