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Oval|Lab Grown|IGI

3.17ct H SI1 Oval Lab Grown Diamond

ID • H/SI1 • IGI LG790603049

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG790603049

Diamond specifications and retailer prices

From $3,158 AUD
As of November 6, 2026
6 retailers carry this diamond
Most expensive: $4,861 AUD at MOH London · As of October 6, 2026
View at MOH London

About this 3.17ct lab-grown oval diamond

This 3.17ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG790603049 or 790603049. Listed at 6 retailers as of November 6, 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

3.17
Carat
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790603049
Dimensions11.60 × 8.14 × 5.13 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.60 mm8.14 mm3.17 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790603049
Side View
Table 62.0%Crown 37.7°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,861 AUD|Low: $846 AUD|High: $4,861 AUD|Avg: $2,072 AUD|+6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 2, 2026
Retailer 3$943 AUD
Retailer 7$1,070 AUD
Retailer 2$1,140 AUD
Retailer 6$1,140 AUD
Retailer 8$1,589 AUD
Retailer 4$1,856 AUD
Retailer 9$3,158 AUD
Retailer 5$3,206 AUD
MOH London$4,861 AUD

8 data points across 9 retailers

6 retailers

Retailer 1
-
$943 AUD
Price last confirmed 35 days ago
Retailer 2
-
$1,070 AUD
View
Price last confirmed 41 days ago
Retailer 3
-
$1,140 AUD
View
Price last confirmed 35 days ago
B+
Retailer 4
-
$3,158 AUD
View
Retailer 5
-
$3,206 AUD
View
Price last confirmed 37 days ago
Most Expensive
MOH London
LG790603049 · Oct 6
$4,861 AUD
£2,630 GBP
View
Price last confirmed 31 days ago
5 more retailers have this diamond
Prices start from $3,158 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.

B+
3.17ct Oval
$3,158 AUD