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Heart|Lab Grown|IGI

1.21ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG669427091

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG669427091

Diamond specifications and retailer prices

From €203 EUR
$227 USD
As of October 30, 2026
Save €943 EUR (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,146 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 top-tier cut grade and certified by IGI LG669427091 or 669427091. Listed at 21 retailers as of October 30, 2026, with prices from €203 to €1,146, a €943 spread on the same certified stone. Reve Diamonds lists it at €1,146. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG669427091
Dimensions7.25 × 6.69 × 4.43 mm
L/W Ratio1.08
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
7.25 mm6.69 mm1.21 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG669427091
Side View
Table 60.0%Crown 36°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.1%

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: €1,011 EUR|Low: €193 EUR|High: €1,146 EUR|Avg: €547 EUR|-0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
Retailer 18
Reve Diamonds
November 1, 2026
Retailer 18€203 EUR
Retailer 14€226 EUR
Retailer 9€235 EUR
Retailer 5€252 EUR
Retailer 7€252 EUR
Retailer 6€429 EUR
Retailer 12€431 EUR
Retailer 15€433 EUR
Retailer 3€467 EUR
Retailer 11€471 EUR
Retailer 13€505 EUR
Retailer 17€615 EUR
Retailer 4€695 EUR
Retailer 16€730 EUR
Retailer 2€810 EUR
Retailer 10€832 EUR
Retailer 8€857 EUR
Retailer 1€1,011 EUR
Reve Diamonds€1,146 EUR

37 data points across 19 retailers

21 retailers€203 EUR to €1,146 EUR

A
Cheapest Retailer
-
€203 EUR
$227 USD
A
Retailer 2
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€226 EUR
$253 USD
View
Final sale: no returns
A
Retailer 3
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€235 EUR
$263 USD
View
A
Retailer 4
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€252 EUR
$282 USD
View
A
Retailer 5
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€252 EUR
$282 USD
View
B+
Retailer 6
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€425 EUR
$475 USD
View
B+
Retailer 7
-
€429 EUR
$479 USD
View
B+
Retailer 8
-
€431 EUR
View
B+
Retailer 9
-
€433 EUR
ZAR 7,815 ZAR
View
B+
Retailer 10
-
€467 EUR
$522 USD
View
B+
Retailer 11
-
€471 EUR
£414 GBP
View
B+
Retailer 12
-
€505 EUR
A$868 AUD
View
B+
Retailer 13
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€615 EUR
A$1,057 AUD
View
B
Retailer 14
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€695 EUR
$777 USD
View
B+
Retailer 15
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€730 EUR
A$1,254 AUD
View
B
Retailer 16
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€810 EUR
$905 USD
View
Retailer 17
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€832 EUR
$930 USD
View
Price last confirmed 22 days ago
B
Retailer 18
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€857 EUR
$958 USD
View
B
Retailer 19
-
€914 EUR
$1,021 USD
View
B
Retailer 20
-
€1,011 EUR
£889 GBP
View
Most Expensive
B
Reve Diamonds
96C9BA475 · Nov 1
€1,146 EUR
$1,280 USD
View
20 more retailers have this diamond
Prices start from €203 EURSave up to €943 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
€203 EUR