CaratHunter
Plans
Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG812620843

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG812620843

Diamond specifications and retailer prices

From $318 SGD
$249 USD
As of October 30, 2026
Save $1,510 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,828 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812620843 or 812620843. Listed at 19 retailers as of October 30, 2026, with prices from $318 to $1,828, a $1,510 spread on the same certified stone. Brilliant Earth lists it at $1,828. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812620843
Dimensions6.54 × 6.95 × 3.99 mm
L/W Ratio1.06
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
6.54 mm6.95 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812620843
Side View
Table 57.0%Crown 36.4°Girdle: STK-VTKPavilion 37.5°Culet: NoneDepth 57.4%

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 30
Current: $1,828 SGD|Low: $239 SGD|High: $2,097 SGD|Avg: $955 SGD|-12.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 4$318 SGD
Retailer 12$499 SGD
Retailer 6$596 SGD
Retailer 8$607 SGD
Retailer 2$657 SGD
Retailer 13$765 SGD
Retailer 11$776 SGD
Retailer 9$863 SGD
Retailer 10$1,140 SGD
Retailer 3$1,204 SGD
Retailer 7$1,424 SGD
Retailer 5$1,620 SGD
Brilliant Earth$1,828 SGD

39 data points across 13 retailers

19 retailers$318 SGD to $1,828 SGD

Retailer 1
-
$285 SGD
$223 USD
Price last confirmed 22 days ago
A
Retailer 2
-
$318 SGD
$249 USD
View
Final sale: no returns
Retailer 3
-
$340 SGD
$266 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$354 SGD
$277 USD
View
Price last confirmed 27 days ago
Retailer 5
-
$354 SGD
$277 USD
View
Price last confirmed 18 days ago
Retailer 6
-
$369 SGD
$289 USD
View
Price last confirmed 35 days ago
A
Retailer 7
-
$499 SGD
$390 USD
View
A
Retailer 8
-
$596 SGD
€444 EUR
View
A
Retailer 9
-
$607 SGD
ZAR 7,674 ZAR
View
A
Retailer 10
-
$657 SGD
£405 GBP
View
B+
Retailer 11
-
$765 SGD
$598 USD
View
B+
Retailer 12
-
$776 SGD
$607 USD
View
B+
Retailer 13
-
$863 SGD
A$1,038 AUD
View
Retailer 14
-
$1,136 SGD
$889 USD
View
Price last confirmed 26 days ago
B+
Retailer 15
-
$1,140 SGD
$892 USD
View
B+
Retailer 16
-
$1,204 SGD
$942 USD
View
B
Retailer 17
-
$1,424 SGD
£877 GBP
View
B
Retailer 18
-
$1,620 SGD
$1,267 USD
View
Most Expensive
B
Brilliant Earth
20896351A · Oct 30
$1,828 SGD
$1,430 USD
View
18 more retailers have this diamond
Prices start from $318 SGDSave up to $1,510 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
1.05ct Heart
$318 SGD