CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG819605837

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819605837

Diamond specifications and retailer prices

From $246 SGD
$192 USD
As of October 29, 2026
Save $1,253 SGD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,499 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 LG819605837 or 819605837. Listed at 17 retailers as of October 29, 2026, with prices from $246 to $1,499, a $1,253 spread on the same certified stone. Reve Diamonds lists it at $1,499. 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 angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819605837
Dimensions6.97 × 7.02 × 4.31 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.97 mm7.02 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819605837
Side View
Table 57.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.5%

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 29
Current: $495 SGD|Low: $246 SGD|High: $1,546 SGD|Avg: $748 SGD|-0.6%
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
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 30, 2026
Retailer 14$246 SGD
Retailer 2$274 SGD
Retailer 12$286 SGD
Retailer 3$306 SGD
Retailer 4$306 SGD
Retailer 5$426 SGD
Retailer 1$495 SGD
Retailer 10$525 SGD
Retailer 9$555 SGD
Retailer 6$624 SGD
Retailer 11$746 SGD
Retailer 7$900 SGD
Retailer 15$983 SGD
Retailer 13$987 SGD
Retailer 8$1,052 SGD
Retailer 16$1,437 SGD
Reve Diamonds$1,499 SGD

43 data points across 17 retailers

17 retailers$246 SGD to $1,499 SGD

A
Cheapest Retailer
-
$246 SGD
$192 USD
A
Retailer 2
-
$274 SGD
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$286 SGD
$223 USD
View
A
Retailer 4
-
$306 SGD
$239 USD
View
A
Retailer 5
-
$306 SGD
$239 USD
View
B+
Retailer 6
-
$426 SGD
$332 USD
View
A
Retailer 7
-
$495 SGD
£304 GBP
View
A
Retailer 8
-
$525 SGD
ZAR 6,621 ZAR
View
A
Retailer 9
-
$555 SGD
£341 GBP
View
A
Retailer 10
-
$624 SGD
$487 USD
View
A
Retailer 11
-
$746 SGD
A$896 AUD
View
A
Retailer 12
-
$900 SGD
$702 USD
View
A
Retailer 13
-
$983 SGD
$767 USD
View
A
Retailer 14
-
$987 SGD
$770 USD
View
B+
Retailer 15
-
$1,052 SGD
$821 USD
View
B+
Retailer 16
-
$1,437 SGD
£883 GBP
View
Most Expensive
B+
Reve Diamonds
96EC1F431 · Oct 30
$1,499 SGD
$1,170 USD
View
16 more retailers have this diamond
Prices start from $246 SGDSave up to $1,253 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
$246 SGD