Heart|Lab Grown|IGI

5.51ct D VVS2 Heart Lab Grown Diamond

ID • D/VVS2 • IGI LG729590114

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG729590114

Diamond specifications and retailer prices

From $1,306 USD
As of October 25, 2026
Save $3,262 USD (71%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $14,980 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 5.51ct lab-grown heart diamond

This 5.51ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729590114 or 729590114. Listed at 23 retailers as of October 25, 2026, with a 250% 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

5.51
Carat
D
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590114
Dimensions12.23 × 10.86 × 7.15 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.23 mm10.86 mm5.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590114
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 58.5%

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 25
Current: $14,980 USD|Low: $1,081 USD|High: $15,440 USD|Avg: $3,298 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 23
October 26, 2026
Retailer 4$1,126 USD
Retailer 22$1,225 USD
Retailer 12$1,260 USD
Retailer 6$1,306 USD
Retailer 9$1,306 USD
Retailer 13$1,392 USD
Retailer 23$1,480 USD
Retailer 7$1,659 USD
Retailer 2$1,938 USD
Retailer 20$2,077 USD
Retailer 15$2,448 USD
Retailer 17$2,488 USD
Retailer 8$2,573 USD
Retailer 19$2,629 USD
Retailer 21$2,644 USD
Retailer 5$3,609 USD
Retailer 11$3,682 USD
Retailer 10$3,955 USD
Retailer 18$4,201 USD
Retailer 16$4,568 USD
Retailer 14$4,726 USD
Retailer 3$6,421 USD
Brilliant Earth$14,980 USD

28 data points across 23 retailers

23 retailers$1,306 USD to $4,568 USD

Retailer 1
-
$1,126 USD
Price last confirmed 9 days ago
Retailer 2
-
$1,225 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$1,306 USD
View
Retailer 4
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$1,306 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,392 USD
£1,096 GBP
View
Retailer 6
-
$1,480 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
$1,659 USD
View
A
Retailer 8
-
$1,938 USD
£1,526 GBP
View
Retailer 9
-
$2,077 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$2,448 USD
View
B+
Retailer 11
-
$2,488 USD
A$3,828 AUD
View
B+
Retailer 12
-
$2,573 USD
View
Retailer 13
-
$2,629 USD
ZAR 42,464 ZAR
View
Price last confirmed 8 days ago
Retailer 14
-
$2,644 USD
A$4,068 AUD
View
Price last confirmed 11 days ago
B+
Retailer 15
-
$3,609 USD
View
B+
Retailer 16
-
$3,682 USD
View
B+
Retailer 17
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$3,781 USD
View
Retailer 18
-
$3,955 USD
View
Price last confirmed 7 days ago
B+
Retailer 19
-
$4,201 USD
£3,308 GBP
View
B
Retailer 20
-
$4,568 USD
View
Retailer 21
-
$4,726 USD
View
Price last confirmed 7 days ago
Retailer 22
-
$6,421 USD
A$9,878 AUD
View
Price last confirmed 24 days ago
Most Expensive
Brilliant Earth
15638192A · Oct 24
$14,980 USD
View
Price under review
22 more retailers have this diamond
Prices start from $1,306 USDSave up to $3,262 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
5.51ct Heart
$1,306 USD