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Heart|Lab Grown|IGI

1.00ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836621580

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836621580

Diamond specifications and retailer prices

From $384 AUD
$270 USD
As of October 30, 2026
Save $2,292 AUD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,676 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836621580 or 836621580. Listed at 19 retailers as of October 30, 2026, with prices from $384 to $2,676, a $2,292 spread on the same certified stone. Brilliant Earth lists it at $2,676. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836621580
Dimensions6.21 × 6.77 × 4.04 mm
L/W Ratio1.09
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
6.21 mm6.77 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836621580
Side View
Table 61.0%Crown 39.8°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 59.7%

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: $2,676 AUD|Low: $436 AUD|High: $3,118 AUD|Avg: $1,272 AUD|-14.2%
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
Retailer 14
October 30, 2026
Retailer 3$436 AUD
Retailer 2$505 AUD
Retailer 11$705 AUD
Retailer 8$777 AUD
Retailer 5$790 AUD
Retailer 10$818 AUD
Retailer 4$820 AUD
Retailer 7$834 AUD
Retailer 12$1,210 AUD
Retailer 6$1,414 AUD
Retailer 14$1,602 AUD
Retailer 13$1,891 AUD
Retailer 9$1,916 AUD
Brilliant Earth$2,676 AUD

34 data points across 14 retailers

19 retailers$384 AUD to $2,676 AUD

A
Cheapest Retailer
-
$384 AUD
$270 USD
A
Retailer 2
-
$436 AUD
$306 USD
View
Final sale: no returns
A
Retailer 3
-
$446 AUD
$313 USD
View
A
Retailer 4
-
$475 AUD
$334 USD
View
A
Retailer 5
-
$475 AUD
$334 USD
View
A
Retailer 6
-
$505 AUD
£279 GBP
View
A
Retailer 7
-
$705 AUD
$495 USD
View
A
Retailer 8
-
$777 AUD
€520 EUR
View
B+
Retailer 9
-
$790 AUD
$555 USD
View
B+
Retailer 10
-
$818 AUD
ZAR 9,278 ZAR
View
B+
Retailer 11
-
$820 AUD
$576 USD
View
B+
Retailer 12
-
$834 AUD
£461 GBP
View
B+
Retailer 13
-
$1,210 AUD
$850 USD
View
B
Retailer 14
-
$1,414 AUD
SGD 1,342 SGD
View
B+
Retailer 15
-
$1,529 AUD
$1,074 USD
View
B
Retailer 16
-
$1,602 AUD
$1,125 USD
View
B
Retailer 17
-
$1,891 AUD
$1,328 USD
View
B
Retailer 18
-
$1,916 AUD
£1,060 GBP
View
Most Expensive
B
Brilliant Earth
21590127A · Oct 30
$2,676 AUD
$1,880 USD
View
18 more retailers have this diamond
Prices start from $384 AUDSave up to $2,292 AUD

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
$384 AUD