Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

ID • E/VS1 • IGI LG620414207

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG620414207

Diamond specifications and retailer prices

From $341 SGD
$267 USD
As of October 30, 2026
Save $1,534 SGD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,030 SGD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 1.21ct lab-grown heart diamond

This 1.21ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620414207 or 620414207. Listed at 20 retailers as of October 26, 2026, with a 449% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620414207
Dimensions6.63 × 7.41 × 4.28 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
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
6.63 mm7.41 mm1.21 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620414207
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 57.8%

Caratlytics Score

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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: $3,030 SGD|Low: $341 SGD|High: $3,030 SGD|Avg: $966 SGD
Do Amore Diamonds
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
October 31, 2026
Retailer 4$341 SGD
Retailer 15$381 SGD
Retailer 5$423 SGD
Retailer 6$555 SGD
Retailer 7$566 SGD
Retailer 12$588 SGD
Retailer 14$626 SGD
Retailer 10$803 SGD
Retailer 2$828 SGD
Retailer 8$871 SGD
Retailer 9$1,033 SGD
Retailer 13$1,300 SGD
Retailer 3$1,796 SGD
Retailer 11$1,875 SGD
Do Amore Diamonds$3,030 SGD

41 data points across 15 retailers

20 retailers$341 SGD to $1,875 SGD

A
Cheapest Retailer
-
$341 SGD
$267 USD
A
Retailer 2
-
$381 SGD
$298 USD
View
Final sale: no returns
A
Retailer 3
-
$396 SGD
$310 USD
View
A
Retailer 4
-
$423 SGD
$331 USD
View
A
Retailer 5
-
$423 SGD
$331 USD
View
A
Retailer 6
-
$454 SGD
$355 USD
View
B+
Retailer 7
-
$555 SGD
$434 USD
View
B+
Retailer 8
-
$566 SGD
$443 USD
View
Retailer 9
-
$588 SGD
£362 GBP
View
Price last confirmed 14 days ago
B+
Retailer 10
-
$626 SGD
$490 USD
View
B+
Retailer 11
-
$803 SGD
ZAR 10,144 ZAR
View
B+
Retailer 12
-
$828 SGD
£510 GBP
View
B+
Retailer 13
-
$871 SGD
A$1,048 AUD
View
B
Retailer 14
-
$1,033 SGD
A$1,243 AUD
View
B
Retailer 15
-
$1,300 SGD
$1,017 USD
View
B
Retailer 16
-
$1,502 SGD
$1,175 USD
View
B
Retailer 17
-
$1,713 SGD
$1,340 USD
View
B
Retailer 18
-
$1,796 SGD
$1,405 USD
View
B
Retailer 19
-
$1,875 SGD
£1,155 GBP
View
Most Expensive
Do Amore Diamonds
27-F7317B76B · Oct 30
$3,030 SGD
$2,370 USD
View
Price under review
19 more retailers have this diamond
Prices start from $341 SGDSave up to $1,534 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
1.21ct Heart
$341 SGD