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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 $187 USD
As of October 29, 2026
Save $852 USD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,039 USD at Reve Diamonds · As of October 25, 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 25, 2026, with prices from $187 to $1,039, a $852 spread on the same certified stone. Reve Diamonds lists it at $1,039. 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
Color
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 29
Current: $327 USD|Low: $183 USD|High: $1,039 USD|Avg: $490 USD|+2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 29, 2026
Retailer 3$187 USD
Retailer 4$246 USD
Retailer 8$289 USD
Retailer 1$327 USD
Retailer 9$344 USD
Retailer 6$404 USD
Retailer 7$639 USD
Retailer 2$675 USD
Retailer 5$886 USD
Reve Diamonds$1,039 USD

21 data points across 10 retailers

11 retailers$187 USD to $1,039 USD

A
Cheapest Retailer
-
$187 USD
Final sale: no returns
A
Retailer 2
-
$246 USD
£194 GBP
View
B+
Retailer 3
-
$289 USD
View
B+
Retailer 4
-
$327 USD
£258 GBP
View
B+
Retailer 5
-
$344 USD
View
B
Retailer 6
-
$404 USD
£318 GBP
View
B
Retailer 7
-
$570 USD
View
B
Retailer 8
-
$639 USD
View
B
Retailer 9
-
$675 USD
View
B
Retailer 10
-
$886 USD
£698 GBP
View
Most Expensive
B
Reve Diamonds
A2BC668FA · Oct 25
$1,039 USD
View
10 more retailers have this diamond
Prices start from $187 USDSave up to $852 USD

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
$187 USD