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Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG567368239

Shape and cutting style on the report: Round brilliant

Certificate IGI LG567368239

Diamond specifications and retailer prices

From $259 SGD
$202 USD
As of October 29, 2026
Save $1,247 SGD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,557 SGD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round 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 top-tier cut grade and certified by IGI LG567368239 or 567368239. Listed at 17 retailers as of October 29, 2026, with a 482% 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG567368239
Dimensions6.98 × 6.92 × 4.30 mm
L/W Ratio1.01
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
6.98 mm6.92 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG567368239
Side View
Table 55.5%Crown 35.4°Girdle: Med.Pavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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 29
Current: $1,557 SGD|Low: $259 SGD|High: $1,576 SGD|Avg: $714 SGD|-1.2%
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
Retailer 16
Retailer 17
October 30, 2026
Retailer 3$259 SGD
Retailer 15$288 SGD
Retailer 14$300 SGD
Retailer 8$320 SGD
Retailer 9$320 SGD
Retailer 2$518 SGD
Retailer 12$550 SGD
Retailer 5$555 SGD
Retailer 10$585 SGD
Retailer 7$733 SGD
Retailer 13$783 SGD
Retailer 17$904 SGD
Retailer 6$1,029 SGD
Retailer 16$1,033 SGD
Retailer 4$1,098 SGD
Retailer 11$1,506 SGD
Rare Carat$1,557 SGD

36 data points across 17 retailers

17 retailers$259 SGD to $1,506 SGD

A
Cheapest Retailer
-
$259 SGD
$202 USD
A
Retailer 2
-
$288 SGD
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$300 SGD
$234 USD
View
A
Retailer 4
-
$320 SGD
$250 USD
View
A
Retailer 5
-
$320 SGD
$250 USD
View
A
Retailer 6
-
$518 SGD
£319 GBP
View
A
Retailer 7
-
$550 SGD
ZAR 6,931 ZAR
View
A
Retailer 8
-
$555 SGD
$433 USD
View
A
Retailer 9
-
$585 SGD
£359 GBP
View
A
Retailer 10
-
$733 SGD
$572 USD
View
A
Retailer 11
-
$783 SGD
A$940 AUD
View
A
Retailer 12
-
$904 SGD
$705 USD
View
A
Retailer 13
-
$1,029 SGD
$803 USD
View
A
Retailer 14
-
$1,033 SGD
$806 USD
View
B+
Retailer 15
-
$1,098 SGD
$857 USD
View
B
Retailer 16
-
$1,506 SGD
£925 GBP
View
Most Expensive
Rare Carat
AL/704-11_l_567368239 · Oct 18
$1,557 SGD
$1,215 USD
View
Price last confirmed 12 days ago
16 more retailers have this diamond
Prices start from $259 SGDSave up to $1,247 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 Round
$259 SGD