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Cushion|Lab Grown|IGI

1.28ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG723540900

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG723540900

Diamond specifications and retailer prices

From $340 SGD
$266 USD
As of October 30, 2026
Save $1,923 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,263 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG723540900 or 723540900. Listed at 16 retailers as of October 29, 2026, with prices from $340 to $2,263, a $1,923 spread on the same certified stone. Brilliant Earth lists it at $2,263. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG723540900
Dimensions5.80 × 5.80 × 3.99 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
5.80 mm5.80 mm1.28 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG723540900
Side View
Table 63.0%Crown 31.5°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 68.8%

Caratlytics Score

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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 30
Current: $2,263 SGD|Low: $340 SGD|High: $2,339 SGD|Avg: $875 SGD|-3.3%
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
October 30, 2026
Retailer 5$340 SGD
Retailer 3$377 SGD
Retailer 2$464 SGD
Retailer 13$509 SGD
Retailer 9$649 SGD
Retailer 4$687 SGD
Retailer 8$687 SGD
Retailer 7$714 SGD
Retailer 6$798 SGD
Retailer 10$921 SGD
Retailer 12$965 SGD
Retailer 14$1,214 SGD
Retailer 11$1,521 SGD
Brilliant Earth$2,263 SGD

40 data points across 14 retailers

16 retailers$340 SGD to $2,263 SGD

A
Cheapest Retailer
-
$340 SGD
$266 USD
Final sale: no returns
A
Retailer 2
-
$377 SGD
$295 USD
View
A
Retailer 3
-
$464 SGD
£286 GBP
View
A
Retailer 4
-
$509 SGD
$398 USD
View
A
Retailer 5
-
$649 SGD
ZAR 8,197 ZAR
View
A
Retailer 6
-
$687 SGD
$537 USD
View
A
Retailer 7
-
$687 SGD
€512 EUR
View
A
Retailer 8
-
$714 SGD
£440 GBP
View
A
Retailer 9
-
$798 SGD
$624 USD
View
B+
Retailer 10
-
$921 SGD
A$1,108 AUD
View
B+
Retailer 11
-
$965 SGD
$755 USD
View
Retailer 12
-
$1,214 SGD
$950 USD
View
Price last confirmed 26 days ago
B+
Retailer 13
-
$1,280 SGD
$1,001 USD
View
B
Retailer 14
-
$1,521 SGD
£937 GBP
View
B
Retailer 15
-
$1,682 SGD
$1,315 USD
View
Most Expensive
B
Brilliant Earth
21313249A · Oct 29
$2,263 SGD
$1,770 USD
View
15 more retailers have this diamond
Prices start from $340 SGDSave up to $1,923 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
$340 SGD