CaratHunter
Plans
Round|Lab Grown|IGI

1.28ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG713511172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG713511172

Diamond specifications and retailer prices

From $250 SGD
$195 USD
As of October 29, 2026
Save $814 SGD (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,455 SGD at MOH London · As of October 21, 2026
View at MOH London

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 LG713511172 or 713511172. Listed at 16 retailers as of October 29, 2026, with a 326% 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 angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG713511172
Dimensions6.95 × 6.99 × 4.27 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
6.95 mm6.99 mm1.28 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG713511172
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.3%

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: $1,455 SGD|Low: $240 SGD|High: $1,463 SGD|Avg: $620 SGD|+0.6%
MOH London
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 11$250 SGD
Retailer 14$278 SGD
Retailer 4$290 SGD
Retailer 13$309 SGD
Retailer 12$429 SGD
Retailer 2$501 SGD
Retailer 8$531 SGD
Retailer 7$563 SGD
Retailer 3$628 SGD
Retailer 9$755 SGD
Retailer 6$901 SGD
Retailer 5$995 SGD
Retailer 10$998 SGD
MOH London$1,455 SGD

46 data points across 14 retailers

16 retailers$250 SGD to $1,064 SGD

A
Cheapest Retailer
-
$250 SGD
$195 USD
A
Retailer 2
-
$278 SGD
$217 USD
View
Final sale: no returns
A
Retailer 3
-
$290 SGD
$226 USD
View
A
Retailer 4
-
$309 SGD
$241 USD
View
A
Retailer 5
-
$309 SGD
$241 USD
View
B+
Retailer 6
-
$429 SGD
$335 USD
View
A
Retailer 7
-
$501 SGD
£308 GBP
View
A
Retailer 8
-
$531 SGD
ZAR 6,697 ZAR
View
A
Retailer 9
-
$563 SGD
£346 GBP
View
A
Retailer 10
-
$628 SGD
$490 USD
View
A
Retailer 11
-
$755 SGD
A$906 AUD
View
A
Retailer 12
-
$901 SGD
$703 USD
View
A
Retailer 13
-
$995 SGD
$776 USD
View
B+
Retailer 14
-
$998 SGD
$779 USD
View
B+
Retailer 15
-
$1,064 SGD
$830 USD
View
Most Expensive
MOH London
LG713511172 · Oct 21
$1,455 SGD
£894 GBP
View
Price last confirmed 9 days ago
15 more retailers have this diamond
Prices start from $250 SGDSave up to $814 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
$250 SGD