Princess|Lab Grown|IGI

1.28ct E VS1 Princess Lab Grown Diamond

ID • E/VS1 • IGI LG633413725

Shape and cutting style on the report: Princess cut

Certificate IGI LG633413725

Diamond specifications and retailer prices

From $303 SGD
$237 USD
As of October 30, 2026
Save $1,397 SGD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,700 SGD at Brilliant Earth · As of October 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG633413725 or 633413725. Listed at 21 retailers as of October 28, 2026, with prices from $303 to $1,700, a $1,397 spread on the same certified stone. Brilliant Earth lists it at $1,700. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.8°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633413725
Dimensions5.92 × 5.86 × 4.23 mm
L/W Ratio1.01
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
5.92 mm5.86 mm1.28 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633413725
Side View
Table 69.0%Crown 30.8°Girdle: MediumPavilion 38.7°Culet: NoneDepth 72.2%

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: $1,700 SGD|Low: $256 SGD|High: $1,700 SGD|Avg: $790 SGD
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 4$303 SGD
Retailer 8$339 SGD
Retailer 18$352 SGD
Retailer 5$376 SGD
Retailer 20$376 SGD
Retailer 21$475 SGD
Retailer 13$577 SGD
Retailer 12$632 SGD
Retailer 9$635 SGD
Retailer 16$645 SGD
Retailer 2$709 SGD
Retailer 6$781 SGD
Retailer 11$908 SGD
Retailer 17$916 SGD
Retailer 14$996 SGD
Retailer 3$1,207 SGD
Retailer 19$1,212 SGD
Retailer 7$1,274 SGD
Retailer 15$1,513 SGD
Retailer 10$1,676 SGD
Brilliant Earth$1,700 SGD

41 data points across 21 retailers

21 retailers$303 SGD to $1,700 SGD

A
Cheapest Retailer
-
$303 SGD
$237 USD
A
Retailer 2
-
$339 SGD
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$352 SGD
$275 USD
View
A
Retailer 4
-
$376 SGD
$294 USD
View
A
Retailer 5
-
$376 SGD
$294 USD
View
Retailer 6
-
$475 SGD
£292 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$577 SGD
€430 EUR
View
A
Retailer 8
-
$632 SGD
$494 USD
View
A
Retailer 9
-
$635 SGD
$497 USD
View
A
Retailer 10
-
$645 SGD
ZAR 8,154 ZAR
View
B+
Retailer 11
-
$709 SGD
£436 GBP
View
B+
Retailer 12
-
$781 SGD
$611 USD
View
B+
Retailer 13
-
$908 SGD
$710 USD
View
B+
Retailer 14
-
$916 SGD
A$1,102 AUD
View
B+
Retailer 15
-
$996 SGD
$779 USD
View
B
Retailer 16
-
$1,207 SGD
$944 USD
View
B
Retailer 17
-
$1,212 SGD
$948 USD
View
B
Retailer 18
-
$1,274 SGD
$996 USD
View
B
Retailer 19
-
$1,513 SGD
£932 GBP
View
B
Retailer 20
-
$1,676 SGD
$1,311 USD
View
Most Expensive
B
Brilliant Earth
10242914A · Oct 28
$1,700 SGD
$1,330 USD
View
20 more retailers have this diamond
Prices start from $303 SGDSave up to $1,397 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
$303 SGD