CaratHunter
Plans
Heart|Lab Grown|IGI

1.23ct E VVS1 Heart Lab Grown Diamond

ID • E/VVS1 • IGI LG840634566

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634566

Diamond specifications and retailer prices

From $268 SGD
$210 USD
As of October 30, 2026
Save $1,099 SGD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,368 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840634566 or 840634566. Listed at 19 retailers as of October 30, 2026, with prices from $268 to $1,368, a $1,099 spread on the same certified stone. Brilliant Earth lists it at $1,368. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634566
Dimensions6.73 × 7.32 × 4.20 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
6.73 mm7.32 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634566
Side View
Table 61.0%Crown 38.2°Girdle: STK-THKPavilion 38.6°Culet: NoneDepth 57.4%

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 30
Current: $1,368 SGD|Low: $268 SGD|High: $1,380 SGD|Avg: $755 SGD
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 31, 2026
Retailer 11$268 SGD
Retailer 5$302 SGD
Retailer 4$312 SGD
Retailer 9$334 SGD
Retailer 18$334 SGD
Retailer 12$410 SGD
Retailer 14$564 SGD
Retailer 16$573 SGD
Retailer 13$616 SGD
Retailer 19$646 SGD
Retailer 3$734 SGD
Retailer 17$815 SGD
Retailer 2$860 SGD
Retailer 8$1,073 SGD
Retailer 7$1,085 SGD
Retailer 10$1,138 SGD
Retailer 6$1,140 SGD
Retailer 15$1,344 SGD
Brilliant Earth$1,368 SGD

16 data points across 19 retailers

19 retailers$268 SGD to $1,368 SGD

A
Cheapest Retailer
-
$268 SGD
$210 USD
A
Retailer 2
-
$302 SGD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
$312 SGD
$244 USD
View
A
Retailer 4
-
$334 SGD
$261 USD
View
A
Retailer 5
-
$334 SGD
$261 USD
View
A
Retailer 6
-
$410 SGD
£252 GBP
View
A
Retailer 7
-
$564 SGD
€420 EUR
View
A
Retailer 8
-
$573 SGD
ZAR 7,243 ZAR
View
A
Retailer 9
-
$616 SGD
£380 GBP
View
B+
Retailer 10
-
$646 SGD
$505 USD
View
B+
Retailer 11
-
$734 SGD
$574 USD
View
B+
Retailer 12
-
$815 SGD
A$981 AUD
View
B+
Retailer 13
-
$860 SGD
$673 USD
View
B
Retailer 14
-
$1,073 SGD
$839 USD
View
B
Retailer 15
-
$1,085 SGD
View
B
Retailer 16
-
$1,138 SGD
$890 USD
View
B
Retailer 17
-
$1,140 SGD
$892 USD
View
B
Retailer 18
-
$1,344 SGD
£828 GBP
View
Most Expensive
B
Brilliant Earth
22143047A · Oct 30
$1,368 SGD
$1,070 USD
View
18 more retailers have this diamond
Prices start from $268 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
1.23ct Heart
$268 SGD