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Heart|Lab Grown|IGI

1.00ct E SI1 Heart Lab Grown Diamond

VG • E/SI1 • IGI LG841698184

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841698184

Diamond specifications and retailer prices

From $245 SGD
$192 USD
As of October 30, 2026
Save $1,099 SGD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,345 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 very-good cut grade and certified by IGI LG841698184 or 841698184. Listed at 11 retailers as of October 30, 2026, with prices from $245 to $1,345, a $1,099 spread on the same certified stone. Reve Diamonds lists it at $1,345. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841698184
Dimensions5.76 × 6.83 × 4.16 mm
L/W Ratio1.19
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
5.76 mm6.83 mm1.00 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841698184
Side View
Table 54.0%Crown 34.1°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $245 SGD|Low: $234 SGD|High: $1,345 SGD|Avg: $627 SGD|+4.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 30, 2026
Retailer 1$245 SGD
Retailer 4$321 SGD
Retailer 9$369 SGD
Retailer 3$432 SGD
Retailer 2$449 SGD
Retailer 5$468 SGD
Retailer 8$817 SGD
Retailer 6$863 SGD
Retailer 7$1,133 SGD
Reve Diamonds$1,345 SGD

22 data points across 10 retailers

11 retailers$245 SGD to $1,345 SGD

A
Cheapest Retailer
-
$245 SGD
$192 USD
Final sale: no returns
A
Retailer 2
-
$321 SGD
£198 GBP
View
B+
Retailer 3
-
$369 SGD
$289 USD
View
B+
Retailer 4
-
$432 SGD
£266 GBP
View
B+
Retailer 5
-
$449 SGD
$351 USD
View
B+
Retailer 6
-
$468 SGD
£289 GBP
View
B
Retailer 7
-
$729 SGD
$570 USD
View
B
Retailer 8
-
$817 SGD
$639 USD
View
B
Retailer 9
-
$863 SGD
$675 USD
View
B
Retailer 10
-
$1,133 SGD
£698 GBP
View
Most Expensive
B
Reve Diamonds
A2BC668FA · Oct 30
$1,345 SGD
$1,052 USD
View
10 more retailers have this diamond
Prices start from $245 SGDSave up to $1,099 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
$245 SGD