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Oval|Lab Grown|IGI

1.65ct G SI1 Oval Lab Grown Diamond

GD • G/SI1 • IGI LG561296380

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG561296380

Diamond specifications and retailer prices

From $656 AUD
HK$3,600 HKD
As of October 31, 2026
15 retailers carry this diamond
Most expensive: $2,419 AUD at MOH London · As of October 19, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG561296380 or 561296380. Listed at 15 retailers as of October 31, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.65
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG561296380
Dimensions9.69 × 6.74 × 4.05 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.69 mm6.74 mm1.65 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG561296380
Side View
Table 60.0%Crown 33.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.1%

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: Oct 31
Current: $2,419 AUD|Low: $386 AUD|High: $2,435 AUD|Avg: $1,249 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 21, 2026
Retailer 10$542 AUD
Retailer 8$562 AUD
Retailer 4$656 AUD
Retailer 11$858 AUD
Retailer 5$861 AUD
Retailer 7$967 AUD
Retailer 9$972 AUD
Retailer 2$1,064 AUD
Retailer 6$1,761 AUD
Retailer 12$1,991 AUD
Retailer 3$2,336 AUD
MOH London$2,419 AUD

30 data points across 12 retailers

15 retailers

Retailer 1
-
$484 AUD
$340 USD
Price last confirmed 13 days ago
Retailer 2
-
$562 AUD
$395 USD
View
Price last confirmed 11 days ago
Retailer 3
-
$601 AUD
$422 USD
View
Price last confirmed 15 days ago
Retailer 4
-
$601 AUD
$422 USD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
$656 AUD
HK$3,600 HKD
View
Retailer 6
-
$858 AUD
$603 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$861 AUD
$605 USD
View
Price last confirmed 10 days ago
Retailer 8
-
$967 AUD
$679 USD
View
Price last confirmed 10 days ago
Retailer 9
-
$972 AUD
$683 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,064 AUD
£589 GBP
View
Price last confirmed 11 days ago
Retailer 11
-
$1,761 AUD
$1,237 USD
View
Price last confirmed 10 days ago
Retailer 12
-
$1,930 AUD
$1,356 USD
View
Price last confirmed 13 days ago
Retailer 13
-
$1,991 AUD
$1,399 USD
View
Price last confirmed 10 days ago
Retailer 14
-
$2,336 AUD
$1,641 USD
View
Price last confirmed 10 days ago
Most Expensive
MOH London
LG561296380 · Oct 19
$2,419 AUD
£1,338 GBP
View
Price last confirmed 12 days ago
14 more retailers have this diamond
Prices start from $656 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+
1.65ct Oval
$656 AUD