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Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

VG • E/VS1 • IGI LG845614899

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG845614899

Diamond specifications and retailer prices

From $303 SGD
$237 USD
As of October 30, 2026
Save $1,163 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,466 SGD at Reve Diamonds · As of October 30, 2026
View at Reve 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 very-good cut grade and certified by IGI LG845614899 or 845614899. Listed at 10 retailers as of October 30, 2026, with prices from $303 to $1,466, a $1,163 spread on the same certified stone. Reve Diamonds lists it at $1,466. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.21
Carat
E
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845614899
Dimensions6.70 × 7.49 × 4.23 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
6.70 mm7.49 mm1.21 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845614899
Side View
Table 62.0%Crown 37°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 56.5%

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: $532 SGD|Low: $299 SGD|High: $1,494 SGD|Avg: $763 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Reve Diamonds
October 31, 2026
Retailer 5$303 SGD
Retailer 7$369 SGD
Retailer 6$516 SGD
Retailer 1$532 SGD
Retailer 3$554 SGD
Retailer 9$745 SGD
Retailer 2$998 SGD
Retailer 4$1,151 SGD
Retailer 8$1,425 SGD
Reve Diamonds$1,466 SGD

15 data points across 10 retailers

10 retailers$303 SGD to $1,466 SGD

A
Cheapest Retailer
-
$303 SGD
$237 USD
Final sale: no returns
A
Retailer 2
-
$369 SGD
£227 GBP
View
A
Retailer 3
-
$516 SGD
$404 USD
View
A
Retailer 4
-
$532 SGD
£328 GBP
View
B+
Retailer 5
-
$554 SGD
$433 USD
View
Retailer 6
-
$745 SGD
A$897 AUD
View
Price last confirmed 7 days ago
B
Retailer 7
-
$998 SGD
$781 USD
View
B
Retailer 8
-
$1,151 SGD
$900 USD
View
B
Retailer 9
-
$1,425 SGD
£878 GBP
View
Most Expensive
B
Reve Diamonds
2E34E6030 · Oct 30
$1,466 SGD
$1,147 USD
View
9 more retailers have this diamond
Prices start from $303 SGDSave up to $1,163 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
$303 SGD