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Oval|Lab Grown|IGI

1.28ct E IF Oval Lab Grown Diamond

GD • E/IF • IGI LG743547088

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG743547088

Diamond specifications and retailer prices

From $278 SGD
$217 USD
As of October 29, 2026
Save $1,109 SGD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,897 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.28ct lab-grown oval diamond

This 1.28ct lab-grown oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG743547088 or 743547088. Listed at 18 retailers as of October 29, 2026, with a 399% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
E
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743547088
Dimensions8.54 × 6.12 × 3.83 mm
L/W Ratio1.40
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
8.54 mm6.12 mm1.28 ctE / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743547088
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $1,897 SGD|Low: $267 SGD|High: $1,929 SGD|Avg: $777 SGD|-1.7%
Rare Carat
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
October 30, 2026
Retailer 14$278 SGD
Retailer 3$310 SGD
Retailer 5$322 SGD
Retailer 15$345 SGD
Retailer 2$365 SGD
Retailer 13$477 SGD
Retailer 10$591 SGD
Retailer 8$638 SGD
Retailer 6$659 SGD
Retailer 11$841 SGD
Retailer 4$1,106 SGD
Retailer 12$1,110 SGD
Retailer 7$1,348 SGD
Retailer 9$1,387 SGD
Rare Carat$1,897 SGD

44 data points across 15 retailers

18 retailers$278 SGD to $1,387 SGD

A
Cheapest Retailer
-
$278 SGD
$217 USD
A
Retailer 2
-
$310 SGD
$242 USD
View
Final sale: no returns
A
Retailer 3
-
$322 SGD
$251 USD
View
A
Retailer 4
-
$345 SGD
$269 USD
View
A
Retailer 5
-
$345 SGD
$269 USD
View
A
Retailer 6
-
$365 SGD
£224 GBP
View
B+
Retailer 7
-
$477 SGD
$372 USD
View
A
Retailer 8
-
$591 SGD
ZAR 7,454 ZAR
View
A
Retailer 9
-
$638 SGD
£392 GBP
View
B+
Retailer 10
-
$659 SGD
$514 USD
View
B+
Retailer 11
-
$841 SGD
A$1,010 AUD
View
B
Retailer 12
-
$1,096 SGD
$855 USD
View
B
Retailer 13
-
$1,106 SGD
$863 USD
View
B
Retailer 14
-
$1,110 SGD
$866 USD
View
B+
Retailer 15
-
$1,174 SGD
$916 USD
View
B
Retailer 16
-
$1,348 SGD
£828 GBP
View
B
Retailer 17
-
$1,387 SGD
£852 GBP
View
Most Expensive
Rare Carat
GD16362_l_743547088 · Oct 18
$1,897 SGD
$1,480 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $278 SGDSave up to $1,109 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 Oval
$278 SGD