CaratHunter
Plans
Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG689562553

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689562553

Diamond specifications and retailer prices

From $362 SGD
$283 USD
As of October 30, 2026
Save $2,200 SGD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,562 SGD at Yadav Diamonds · As of October 19, 2026
View at Yadav Diamonds

About this 1.28ct lab-grown cushion diamond

This 1.28ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG689562553 or 689562553. Listed at 16 retailers as of October 30, 2026, with a 608% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle42.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689562553
Dimensions6.23 × 6.23 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.23 mm6.23 mm1.28 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689562553
Side View
Table 63.0%Crown 37.8°Girdle: MED-STKPavilion 42.6°Culet: NoneDepth 69.0%

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: $766 SGD|Low: $277 SGD|High: $2,562 SGD|Avg: $1,009 SGD|+3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Yadav Diamonds
October 30, 2026
Retailer 2$362 SGD
Retailer 5$473 SGD
Retailer 6$583 SGD
Retailer 9$607 SGD
Retailer 1$766 SGD
Retailer 11$805 SGD
Retailer 13$822 SGD
Retailer 4$913 SGD
Retailer 8$978 SGD
Retailer 3$1,241 SGD
Retailer 12$1,358 SGD
Retailer 10$1,612 SGD
Retailer 7$1,726 SGD
Yadav Diamonds$2,562 SGD

39 data points across 14 retailers

16 retailers$362 SGD to $2,562 SGD

A
Cheapest Retailer
-
$362 SGD
$283 USD
Final sale: no returns
B+
Retailer 2
-
$473 SGD
$370 USD
View
A
Retailer 3
-
$583 SGD
€434 EUR
View
A
Retailer 4
-
$607 SGD
$475 USD
View
A
Retailer 5
-
$766 SGD
£472 GBP
View
A
Retailer 6
-
$805 SGD
$630 USD
View
A
Retailer 7
-
$822 SGD
$643 USD
View
B+
Retailer 8
-
$913 SGD
$714 USD
View
B+
Retailer 9
-
$978 SGD
A$1,177 AUD
View
B+
Retailer 10
-
$1,241 SGD
View
B
Retailer 11
-
$1,358 SGD
$1,062 USD
View
B+
Retailer 12
-
$1,612 SGD
£993 GBP
View
B
Retailer 13
-
$1,726 SGD
$1,350 USD
View
B
Retailer 14
-
$2,562 SGD
$2,004 USD
View
Retailer 15
-
$2,562 SGD
$2,004 USD
View
Price last confirmed 26 days ago
Most Expensive
Yadav Diamonds
13316896 · Oct 19
$2,562 SGD
$2,004 USD
View
Price last confirmed 12 days ago
15 more retailers have this diamond
Prices start from $362 SGDSave up to $2,200 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 Cushion
$362 SGD