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Heart|Lab Grown|IGI

5.21ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG720524351

Shape and cutting style on the report: Heart modified brilliant

Certificate IGI LG720524351

Diamond specifications and retailer prices

From $5,121 USD
£4,032 GBP
As of November 2, 2026
Save $4,674 USD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $16,502 USD at Novita Diamonds · As of November 1, 2026
View at Novita Diamonds

About this 5.21ct lab-grown heart diamond

This 5.21ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG720524351 or 720524351. Listed at 6 retailers as of October 29, 2026, with a 91% 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

5.21
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720524351
Dimensions10.30 × 11.33 × 6.60 mm
L/W Ratio1.10
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm11.33 mm5.21 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720524351
Side View
Table 60.0%Crown 34.6°Girdle: MED-THKPavilion 33.7°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $16,502 USD|Low: $3,722 USD|High: $16,853 USD|Avg: $8,876 USD|-2.1%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3$5,121 USD
Retailer 2$5,852 USD
Retailer 5$5,966 USD
Retailer 4$9,794 USD
Retailer 6$13,470 USD
Novita Diamonds$16,502 USD

38 data points across 6 retailers

6 retailers$5,121 USD to $9,794 USD

B+
Cheapest Retailer
-
$5,121 USD
£4,032 GBP
B
Retailer 2
-
$5,852 USD
View
B
Retailer 3
-
$5,966 USD
View
B
Retailer 4
-
$9,794 USD
£7,712 GBP
View
Retailer 5
-
$13,470 USD
View
Price under review
Most Expensive
Novita Diamonds
cert_720524351 · Nov 1
$16,502 USD
A$25,388 AUD
View
Price under review
5 more retailers have this diamond
Prices start from $5,121 USDSave up to $4,674 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.

B+
5.21ct Heart
$5,121 USD