CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG817672940

Shape and cutting style on the report: Round brilliant

Certificate IGI LG817672940

Diamond specifications and retailer prices

From $268 SGD
$209 USD
As of October 29, 2026
Save $2,308 SGD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,576 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 LG817672940 or 817672940. Listed at 16 retailers as of October 29, 2026, with prices from $268 to $2,576, a $2,308 spread on the same certified stone. Do Amore Diamonds lists it at $2,576. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817672940
Dimensions6.86 × 6.95 × 4.35 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
6.86 mm6.95 mm1.28 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817672940
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 41.3°Culet: NoneDepth 62.8%

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: $2,576 SGD|Low: $268 SGD|High: $2,576 SGD|Avg: $958 SGD
Do Amore Diamonds
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
October 30, 2026
Retailer 15$268 SGD
Retailer 13$300 SGD
Retailer 14$311 SGD
Retailer 6$413 SGD
Retailer 7$463 SGD
Retailer 2$594 SGD
Retailer 9$608 SGD
Retailer 5$647 SGD
Retailer 12$896 SGD
Retailer 8$1,030 SGD
Retailer 16$1,073 SGD
Retailer 11$1,179 SGD
Retailer 3$1,473 SGD
Retailer 10$1,512 SGD
Retailer 4$2,076 SGD
Do Amore Diamonds$2,576 SGD

7 data points across 16 retailers

16 retailers$268 SGD to $2,576 SGD

A
Cheapest Retailer
-
$268 SGD
$209 USD
A
Retailer 2
-
$300 SGD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$311 SGD
$243 USD
View
A
Retailer 4
-
$413 SGD
$323 USD
View
B+
Retailer 5
-
$463 SGD
$361 USD
View
A
Retailer 6
-
$594 SGD
£365 GBP
View
A
Retailer 7
-
$608 SGD
€452 EUR
View
A
Retailer 8
-
$647 SGD
$505 USD
View
A
Retailer 9
-
$896 SGD
A$1,075 AUD
View
B+
Retailer 10
-
$1,030 SGD
$803 USD
View
B+
Retailer 11
-
$1,073 SGD
$837 USD
View
B+
Retailer 12
-
$1,179 SGD
$920 USD
View
B+
Retailer 13
-
$1,473 SGD
£905 GBP
View
B+
Retailer 14
-
$1,512 SGD
$1,180 USD
View
B
Retailer 15
-
$2,076 SGD
$1,620 USD
View
Most Expensive
B
Do Amore Diamonds
27-873C8725E · Oct 29
$2,576 SGD
$2,010 USD
View
15 more retailers have this diamond
Prices start from $268 SGDSave up to $2,308 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
$268 SGD