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Princess|Lab Grown|IGI

1.28ct E FL Princess Lab Grown Diamond

ID • E/FL • IGI LG764613089

Shape and cutting style on the report: Princess cut

Certificate IGI LG764613089

Diamond specifications and retailer prices

From $659 AUD
$463 USD
As of October 30, 2026
Save $2,558 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,217 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764613089 or 764613089. Listed at 18 retailers as of October 30, 2026, with prices from $659 to $3,217, a $2,558 spread on the same certified stone. Brilliant Earth lists it at $3,217. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764613089
Dimensions5.96 × 5.95 × 4.15 mm
L/W Ratio1.00
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
5.96 mm5.95 mm1.28 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764613089
Side View
Table 67.0%Crown 42.8°Girdle: MediumPavilion 38.6°Culet: NoneDepth 69.7%

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 30
Current: $3,217 AUD|Low: $632 AUD|High: $4,332 AUD|Avg: $1,682 AUD|-19.0%
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
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 14$659 AUD
Retailer 7$737 AUD
Retailer 3$817 AUD
Retailer 15$817 AUD
Retailer 12$1,018 AUD
Retailer 5$1,247 AUD
Retailer 9$1,251 AUD
Retailer 16$1,277 AUD
Retailer 6$1,341 AUD
Retailer 2$1,351 AUD
Retailer 11$1,404 AUD
Retailer 13$2,195 AUD
Retailer 4$2,592 AUD
Retailer 8$2,669 AUD
Retailer 10$3,018 AUD
Brilliant Earth$3,217 AUD

44 data points across 16 retailers

18 retailers$659 AUD to $3,217 AUD

A
Cheapest Retailer
-
$659 AUD
$463 USD
A
Retailer 2
-
$737 AUD
$518 USD
View
Final sale: no returns
A
Retailer 3
-
$737 AUD
$518 USD
View
Retailer 4
-
$817 AUD
$574 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
$817 AUD
$574 USD
View
A
Retailer 6
-
$1,018 AUD
$715 USD
View
A
Retailer 7
-
$1,247 AUD
$876 USD
View
A
Retailer 8
-
$1,251 AUD
€837 EUR
View
A
Retailer 9
-
$1,277 AUD
$897 USD
View
A
Retailer 10
-
$1,341 AUD
$942 USD
View
A
Retailer 11
-
$1,351 AUD
£747 GBP
View
A
Retailer 12
-
$1,404 AUD
ZAR 15,930 ZAR
View
B+
Retailer 13
-
$2,195 AUD
$1,542 USD
View
B+
Retailer 14
-
$2,592 AUD
SGD 2,460 SGD
View
B+
Retailer 15
-
$2,627 AUD
$1,845 USD
View
B+
Retailer 16
-
$2,669 AUD
$1,875 USD
View
B+
Retailer 17
-
$3,018 AUD
£1,669 GBP
View
Most Expensive
B
Brilliant Earth
18702167A · Oct 30
$3,217 AUD
$2,260 USD
View
17 more retailers have this diamond
Prices start from $659 AUDSave up to $2,558 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
1.28ct Princess
$659 AUD