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Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG843684291

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG843684291

Diamond specifications and retailer prices

From $191 SGD
$149 USD
As of October 27, 2026
Save $921 SGD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,112 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843684291 or 843684291. Listed at 12 retailers as of October 27, 2026, with prices from $191 to $1,112, a $921 spread on the same certified stone. MOH London lists it at $1,112. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843684291
Dimensions6.21 × 7.01 × 4.01 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.21 mm7.01 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843684291
Side View
Table 62.0%Crown 32°Girdle: MED-THKPavilion 39.1°Culet: NoneDepth 57.2%

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 27
Current: $1,112 SGD|Low: $191 SGD|High: $1,169 SGD|Avg: $511 SGD|-4.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$191 SGD
Retailer 6$222 SGD
Retailer 11$237 SGD
Retailer 4$249 SGD
Retailer 2$308 SGD
Retailer 9$369 SGD
Retailer 3$434 SGD
Retailer 5$449 SGD
Retailer 8$645 SGD
Retailer 12$760 SGD
Retailer 10$804 SGD
MOH London$1,112 SGD

14 data points across 12 retailers

12 retailers$191 SGD to $1,112 SGD

A
Cheapest Retailer
-
$191 SGD
$149 USD
A
Retailer 2
-
$222 SGD
$173 USD
View
A
Retailer 3
-
$237 SGD
$185 USD
View
A
Retailer 4
-
$249 SGD
$194 USD
View
A
Retailer 5
-
$308 SGD
£190 GBP
View
B+
Retailer 6
-
$369 SGD
$288 USD
View
B+
Retailer 7
-
$434 SGD
$339 USD
View
B+
Retailer 8
-
$449 SGD
£276 GBP
View
B
Retailer 9
-
$645 SGD
$503 USD
View
B
Retailer 10
-
$760 SGD
$593 USD
View
B
Retailer 11
-
$804 SGD
$627 USD
View
Most Expensive
B
MOH London
LG843684291 · Oct 29
$1,112 SGD
£683 GBP
View
11 more retailers have this diamond
Prices start from $191 SGDSave up to $921 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
1.00ct Heart
$191 SGD