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Oval|Lab Grown|IGI

1.65ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG445036167

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445036167

Diamond specifications and retailer prices

From $1,253 AUD
$880 USD
As of October 29, 2026
Save $5,272 AUD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,525 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown oval diamond

This 1.65ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036167 or 445036167. Listed at 10 retailers as of October 29, 2026, with prices from $1,253 to $6,525, a $5,272 spread on the same certified stone. MOH London lists it at $6,525. 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

1.65
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036167
Dimensions9.05 × 6.57 × 4.16 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.05 mm6.57 mm1.65 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445036167
Side View
Table 55.5%Crown 37.3°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,525 AUD|Low: $1,253 AUD|High: $6,577 AUD|Avg: $3,057 AUD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 6$1,253 AUD
Retailer 5$1,741 AUD
Retailer 10$1,895 AUD
Retailer 7$2,020 AUD
Retailer 11$2,020 AUD
Retailer 3$2,859 AUD
Retailer 2$3,014 AUD
Retailer 8$3,205 AUD
Retailer 9$3,787 AUD
Retailer 12$3,871 AUD
Retailer 4$4,521 AUD
MOH London$6,525 AUD

20 data points across 12 retailers

10 retailers$1,253 AUD to $6,525 AUD

A
Cheapest Retailer
-
$1,253 AUD
$880 USD
B+
Retailer 2
-
$1,741 AUD
$1,223 USD
View
B+
Retailer 3
-
$1,895 AUD
$1,331 USD
View
B+
Retailer 4
-
$2,020 AUD
$1,419 USD
View
Retailer 5
-
$2,020 AUD
$1,419 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$3,014 AUD
£1,667 GBP
View
B
Retailer 7
-
$3,205 AUD
$2,251 USD
View
B
Retailer 8
-
$3,787 AUD
$2,660 USD
View
B
Retailer 9
-
$3,871 AUD
$2,719 USD
View
Most Expensive
B
MOH London
LG445036167 · Oct 29
$6,525 AUD
£3,609 GBP
View
9 more retailers have this diamond
Prices start from $1,253 AUDSave up to $5,272 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
1.65ct Oval
$1,253 AUD