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Princess|Lab Grown|IGI

1.69ct E SI1 Princess Lab Grown Diamond

GD • E/SI1 • IGI LG539226978

Shape and cutting style on the report: Princess cut

Certificate IGI LG539226978

Diamond specifications and retailer prices

From $290 AUD
$204 USD
As of October 27, 2026
Save $1,400 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,690 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.69ct lab-grown princess diamond

This 1.69ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG539226978 or 539226978. Listed at 16 retailers as of October 26, 2026, with prices from $290 to $1,690, a $1,400 spread on the same certified stone. MOH London lists it at $1,690. 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

1.69
Carat
E
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539226978
Dimensions6.50 × 6.43 × 4.58 mm
L/W Ratio1.01
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
6.50 mm6.43 mm1.69 ctE / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539226978
Side View
Table 70.5%Crown 38.3°Girdle: MediumPavilion 39.9°Culet: NoneDepth 71.2%

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 27
Current: $1,690 AUD|Low: $279 AUD|High: $1,708 AUD|Avg: $679 AUD|+0.2%
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 29, 2026
Retailer 8$290 AUD
Retailer 3$337 AUD
Retailer 9$362 AUD
Retailer 12$362 AUD
Retailer 6$465 AUD
Retailer 10$491 AUD
Retailer 5$608 AUD
Retailer 2$662 AUD
Retailer 4$736 AUD
Retailer 11$1,160 AUD
Retailer 7$1,164 AUD
MOH London$1,690 AUD

43 data points across 12 retailers

16 retailers$290 AUD to $1,690 AUD

A
Cheapest Retailer
-
$290 AUD
$204 USD
B+
Retailer 2
-
$337 AUD
$237 USD
View
B+
Retailer 3
-
$362 AUD
$254 USD
View
B+
Retailer 4
-
$362 AUD
$254 USD
View
B+
Retailer 5
-
$401 AUD
HK$2,200 HKD
View
A
Retailer 6
-
$465 AUD
£257 GBP
View
B+
Retailer 7
-
$491 AUD
$345 USD
View
B+
Retailer 8
-
$608 AUD
€407 EUR
View
B+
Retailer 9
-
$662 AUD
£366 GBP
View
B+
Retailer 10
-
$736 AUD
$517 USD
View
B+
Retailer 11
-
$783 AUD
$550 USD
View
B
Retailer 12
-
$1,160 AUD
$815 USD
View
B
Retailer 13
-
$1,164 AUD
$818 USD
View
B
Retailer 14
-
$1,176 AUD
SGD 1,116 SGD
View
Retailer 15
-
$1,487 AUD
$1,045 USD
View
Price last confirmed 46 days ago
Most Expensive
B
MOH London
LG539226978 · Oct 26
$1,690 AUD
£935 GBP
View
15 more retailers have this diamond
Prices start from $290 AUDSave up to $1,400 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
1.69ct Princess
$290 AUD