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Heart|Lab Grown|IGI

1.23ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG836617848

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836617848

Diamond specifications and retailer prices

From $415 SGD
$325 USD
As of October 30, 2026
Save $2,295 SGD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,710 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.23ct lab-grown heart diamond

This 1.23ct 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 LG836617848 or 836617848. Listed at 19 retailers as of October 30, 2026, with prices from $415 to $2,710, a $2,295 spread on the same certified stone. Brilliant Earth lists it at $2,710. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836617848
Dimensions6.72 × 7.51 × 4.12 mm
L/W Ratio1.12
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
6.72 mm7.51 mm1.23 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836617848
Side View
Table 60.0%Crown 32.1°Girdle: STK-THKPavilion 37.6°Culet: NoneDepth 54.9%

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: $2,710 SGD|Low: $415 SGD|High: $3,311 SGD|Avg: $1,200 SGD|-18.1%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 10$415 SGD
Retailer 4$482 SGD
Retailer 8$508 SGD
Retailer 16$515 SGD
Retailer 19$515 SGD
Retailer 14$548 SGD
Retailer 3$710 SGD
Retailer 7$830 SGD
Retailer 9$835 SGD
Retailer 12$886 SGD
Retailer 2$919 SGD
Retailer 18$1,069 SGD
Retailer 17$1,511 SGD
Retailer 15$1,657 SGD
Retailer 5$1,714 SGD
Retailer 11$1,925 SGD
Retailer 13$2,068 SGD
Retailer 6$2,205 SGD
Brilliant Earth$2,710 SGD

18 data points across 19 retailers

19 retailers$415 SGD to $2,710 SGD

A
Cheapest Retailer
-
$415 SGD
$325 USD
A
Retailer 2
-
$482 SGD
$377 USD
View
A
Retailer 3
-
$508 SGD
$397 USD
View
Final sale: no returns
A
Retailer 4
-
$515 SGD
$403 USD
View
A
Retailer 5
-
$515 SGD
$403 USD
View
Retailer 6
-
$548 SGD
£337 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$710 SGD
$555 USD
View
A
Retailer 8
-
$830 SGD
$649 USD
View
A
Retailer 9
-
$835 SGD
$653 USD
View
A
Retailer 10
-
$886 SGD
ZAR 11,191 ZAR
View
B+
Retailer 11
-
$919 SGD
£566 GBP
View
B+
Retailer 12
-
$1,069 SGD
$836 USD
View
B
Retailer 13
-
$1,511 SGD
$1,182 USD
View
B
Retailer 14
-
$1,657 SGD
$1,296 USD
View
B
Retailer 15
-
$1,714 SGD
$1,341 USD
View
B
Retailer 16
-
$1,925 SGD
View
B+
Retailer 17
-
$2,068 SGD
£1,274 GBP
View
B
Retailer 18
-
$2,205 SGD
$1,725 USD
View
Most Expensive
B
Brilliant Earth
21813717A · Oct 30
$2,710 SGD
$2,120 USD
View
18 more retailers have this diamond
Prices start from $415 SGDSave up to $2,295 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
1.23ct Heart
$415 SGD