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Heart|Lab Grown|IGI

3.09ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG821697186

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG821697186

Diamond specifications and retailer prices

From $541 USD
As of November 2, 2026
Save $2,259 USD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,590 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.09ct lab-grown heart diamond

This 3.09ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821697186 or 821697186. Listed at 21 retailers as of November 2, 2026, with a 418% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.09
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821697186
Dimensions9.96 × 9.41 × 5.93 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.96 mm9.41 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821697186
Side View
Table 55.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $815 USD|Low: $541 USD|High: $3,016 USD|Avg: $1,343 USD|-0.6%
Retailer 1
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Retailer 20
November 5, 2026
Retailer 8$541 USD
Retailer 3$616 USD
Retailer 14$616 USD
Retailer 9$671 USD
Retailer 10$671 USD
Retailer 1$815 USD
Retailer 12$852 USD
Retailer 11$1,026 USD
Retailer 2$1,034 USD
Retailer 4$1,052 USD
Retailer 17$1,053 USD
Retailer 7$1,417 USD
Retailer 6$1,456 USD
Retailer 13$1,465 USD
Retailer 18$1,761 USD
Retailer 16$1,795 USD
Retailer 20$2,197 USD
Retailer 15$2,214 USD
Retailer 19$2,311 USD
Retailer 5$2,800 USD

30 data points across 20 retailers

21 retailers$541 USD to $2,800 USD

A
Cheapest Retailer
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$541 USD
A
Retailer 2
-
$616 USD
View
A
Retailer 3
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$616 USD
View
Final sale: no returns
A
Retailer 4
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$671 USD
View
Retailer 5
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$671 USD
View
Price last confirmed 22 days ago
A
Retailer 6
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$815 USD
View
A
Retailer 7
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$852 USD
View
A
Retailer 8
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$1,026 USD
View
A
Retailer 9
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$1,034 USD
View
A
Retailer 10
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$1,052 USD
View
A
Retailer 11
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$1,053 USD
View
Retailer 12
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$1,417 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
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$1,456 USD
View
B+
Retailer 14
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$1,465 USD
View
B+
Retailer 15
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$1,761 USD
View
B+
Retailer 16
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$1,795 USD
View
B+
Retailer 17
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$2,197 USD
View
B+
Retailer 18
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$2,214 USD
View
B+
Retailer 19
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$2,311 USD
View
B
Retailer 20
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$2,800 USD
View
Most Expensive
Brilliant Earth
20749791A · Oct 28
$6,590 USD
View
Price under review
20 more retailers have this diamond
Prices start from $541 USDSave up to $2,259 USD

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
3.09ct Heart
$541 USD