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Heart|Lab Grown|IGI

1.21ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG709522499

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG709522499

Diamond specifications and retailer prices

From €192 EUR
$215 USD
As of October 30, 2026
Save €918 EUR (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €1,111 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG709522499 or 709522499. Listed at 16 retailers as of October 30, 2026, with prices from €192 to €1,111, a €918 spread on the same certified stone. Reve Diamonds lists it at €1,111. 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG709522499
Dimensions6.41 × 7.37 × 4.40 mm
L/W Ratio1.15
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
6.41 mm7.37 mm1.21 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG709522499
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 40.6°Culet: NoneDepth 59.7%

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: €956 EUR|Low: €152 EUR|High: €1,111 EUR|Avg: €530 EUR|-0.1%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 13€192 EUR
Retailer 4€214 EUR
Retailer 2€223 EUR
Retailer 3€238 EUR
Retailer 14€238 EUR
Retailer 12€322 EUR
Retailer 5€397 EUR
Retailer 9€410 EUR
Retailer 8€442 EUR
Retailer 10€583 EUR
Retailer 15€767 EUR
Retailer 11€770 EUR
Retailer 7€802 EUR
Retailer 6€814 EUR
Retailer 1€956 EUR
Reve Diamonds€1,111 EUR

45 data points across 16 retailers

16 retailers€192 EUR to €1,111 EUR

A
Cheapest Retailer
-
€192 EUR
$215 USD
A
Retailer 2
-
€214 EUR
$239 USD
View
Final sale: no returns
A
Retailer 3
-
€223 EUR
$249 USD
View
A
Retailer 4
-
€238 EUR
$266 USD
View
A
Retailer 5
-
€238 EUR
$266 USD
View
B+
Retailer 6
-
€322 EUR
$360 USD
View
B+
Retailer 7
-
€397 EUR
$444 USD
View
B+
Retailer 8
-
€410 EUR
ZAR 7,395 ZAR
View
B+
Retailer 9
-
€442 EUR
£389 GBP
View
B+
Retailer 10
-
€583 EUR
A$1,002 AUD
View
B+
Retailer 11
-
€599 EUR
$669 USD
View
B
Retailer 12
-
€767 EUR
$857 USD
View
Retailer 13
-
€770 EUR
$860 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
€814 EUR
$910 USD
View
B
Retailer 15
-
€956 EUR
£841 GBP
View
Most Expensive
B
Reve Diamonds
BB194BF8E · Nov 1
€1,111 EUR
$1,241 USD
View
15 more retailers have this diamond
Prices start from €192 EURSave up to €918 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
€192 EUR