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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 $592 SGD
$463 USD
As of October 30, 2026
Save $2,297 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,889 SGD 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 $592 to $2,889, a $2,297 spread on the same certified stone. Brilliant Earth lists it at $2,889. 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: $2,889 SGD|Low: $568 SGD|High: $3,890 SGD|Avg: $1,551 SGD|-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
Retailer 17
October 31, 2026
Retailer 15$592 SGD
Retailer 8$662 SGD
Retailer 4$734 SGD
Retailer 16$734 SGD
Retailer 13$914 SGD
Retailer 6$1,120 SGD
Retailer 10$1,124 SGD
Retailer 17$1,147 SGD
Retailer 7$1,204 SGD
Retailer 2$1,216 SGD
Retailer 12$1,261 SGD
Retailer 14$1,971 SGD
Retailer 5$2,327 SGD
Retailer 3$2,359 SGD
Retailer 9$2,397 SGD
Retailer 11$2,710 SGD
Brilliant Earth$2,889 SGD

44 data points across 17 retailers

18 retailers$592 SGD to $2,889 SGD

A
Cheapest Retailer
-
$592 SGD
$463 USD
A
Retailer 2
-
$662 SGD
$518 USD
View
Final sale: no returns
A
Retailer 3
-
$662 SGD
$518 USD
View
Retailer 4
-
$734 SGD
$574 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$734 SGD
$574 USD
View
A
Retailer 6
-
$914 SGD
$715 USD
View
A
Retailer 7
-
$1,120 SGD
$876 USD
View
A
Retailer 8
-
$1,124 SGD
€837 EUR
View
A
Retailer 9
-
$1,147 SGD
$897 USD
View
A
Retailer 10
-
$1,204 SGD
$942 USD
View
A
Retailer 11
-
$1,216 SGD
£749 GBP
View
A
Retailer 12
-
$1,261 SGD
ZAR 15,930 ZAR
View
B+
Retailer 13
-
$1,971 SGD
$1,542 USD
View
B+
Retailer 14
-
$2,327 SGD
View
B+
Retailer 15
-
$2,359 SGD
$1,845 USD
View
B+
Retailer 16
-
$2,397 SGD
$1,875 USD
View
B+
Retailer 17
-
$2,710 SGD
£1,669 GBP
View
Most Expensive
B
Brilliant Earth
18702167A · Oct 30
$2,889 SGD
$2,260 USD
View
17 more retailers have this diamond
Prices start from $592 SGDSave up to $2,297 SGD

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
$592 SGD