Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG837660882

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837660882

Diamond specifications and retailer prices

From €175 EUR
$196 USD
As of October 30, 2026
Save €881 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,057 EUR at Reve Diamonds · As of November 1, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837660882 or 837660882. Listed at 17 retailers as of October 30, 2026, with prices from €175 to €1,057, a €881 spread on the same certified stone. Reve Diamonds lists it at €1,057. 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
D
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837660882
Dimensions6.23 × 7.31 × 4.37 mm
L/W Ratio1.17
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
6.23 mm7.31 mm1.21 ctD / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837660882
Side View
Table 56.0%Crown 39.8°Girdle: MED-THKPavilion 36.6°Culet: NoneDepth 59.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €1,016 EUR|Low: €175 EUR|High: €1,057 EUR|Avg: €483 EUR|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
November 1, 2026
Retailer 7€175 EUR
Retailer 4€195 EUR
Retailer 3€203 EUR
Retailer 6€218 EUR
Retailer 9€290 EUR
Retailer 2€291 EUR
Retailer 12€373 EUR
Retailer 10€394 EUR
Retailer 16€415 EUR
Retailer 15€437 EUR
Retailer 11€519 EUR
Retailer 14€531 EUR
Retailer 5€699 EUR
Retailer 13€704 EUR
Retailer 8€747 EUR
Retailer 1€1,016 EUR
Reve Diamonds€1,057 EUR

14 data points across 17 retailers

17 retailers€175 EUR to €1,057 EUR

A
Cheapest Retailer
-
€175 EUR
$196 USD
A
Retailer 2
-
€195 EUR
$218 USD
View
Final sale: no returns
A
Retailer 3
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€203 EUR
$227 USD
View
A
Retailer 4
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€218 EUR
$243 USD
View
A
Retailer 5
-
€290 EUR
£256 GBP
View
B+
Retailer 6
-
€291 EUR
$325 USD
View
B+
Retailer 7
-
€373 EUR
ZAR 6,739 ZAR
View
B+
Retailer 8
-
€394 EUR
£347 GBP
View
B+
Retailer 9
-
€415 EUR
$464 USD
View
B+
Retailer 10
-
€437 EUR
$488 USD
View
B+
Retailer 11
-
€519 EUR
$580 USD
View
B+
Retailer 12
-
€531 EUR
A$912 AUD
View
B
Retailer 13
-
€699 EUR
$781 USD
View
B
Retailer 14
-
€704 EUR
A$1,210 AUD
View
B
Retailer 15
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€747 EUR
$835 USD
View
B
Retailer 16
-
€1,016 EUR
£894 GBP
View
Most Expensive
B
Reve Diamonds
BBE411C40 · Nov 1
€1,057 EUR
$1,181 USD
View
16 more retailers have this diamond
Prices start from €175 EURSave up to €881 EUR

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
€175 EUR