CaratHunter
Plans
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 $346 SGD
$270 USD
As of October 27, 2026
Save $2,359 SGD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,705 SGD at Brilliant Earth · As of October 28, 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 27, 2026, with prices from $346 to $2,705, a $2,359 spread on the same certified stone. Brilliant Earth lists it at $2,705. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,705 SGD|Low: $392 SGD|High: $2,808 SGD|Avg: $1,156 SGD|-3.7%
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 29, 2026
Retailer 3$392 SGD
Retailer 8$456 SGD
Retailer 11$635 SGD
Retailer 2$700 SGD
Retailer 5$712 SGD
Retailer 9$736 SGD
Retailer 4$738 SGD
Retailer 10$749 SGD
Retailer 12$1,090 SGD
Retailer 6$1,273 SGD
Retailer 14$1,443 SGD
Retailer 13$1,703 SGD
Retailer 7$1,726 SGD
Brilliant Earth$2,705 SGD

35 data points across 14 retailers

19 retailers$346 SGD to $2,705 SGD

A
Cheapest Retailer
-
$346 SGD
$270 USD
A
Retailer 2
-
$392 SGD
$306 USD
View
Final sale: no returns
A
Retailer 3
-
$401 SGD
$313 USD
View
A
Retailer 4
-
$428 SGD
$334 USD
View
A
Retailer 5
-
$428 SGD
$334 USD
View
A
Retailer 6
-
$456 SGD
£280 GBP
View
A
Retailer 7
-
$635 SGD
$495 USD
View
A
Retailer 8
-
$700 SGD
€520 EUR
View
A
Retailer 9
-
$712 SGD
$555 USD
View
B+
Retailer 10
-
$736 SGD
ZAR 9,278 ZAR
View
A
Retailer 11
-
$738 SGD
$576 USD
View
B+
Retailer 12
-
$749 SGD
£460 GBP
View
B+
Retailer 13
-
$1,090 SGD
$850 USD
View
B+
Retailer 14
-
$1,273 SGD
View
B+
Retailer 15
-
$1,377 SGD
$1,074 USD
View
B+
Retailer 16
-
$1,443 SGD
$1,125 USD
View
B
Retailer 17
-
$1,703 SGD
$1,328 USD
View
B
Retailer 18
-
$1,726 SGD
£1,060 GBP
View
Most Expensive
B
Brilliant Earth
21590127A · Oct 28
$2,705 SGD
$2,110 USD
View
18 more retailers have this diamond
Prices start from $346 SGDSave up to $2,359 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
$346 SGD