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Heart|Lab Grown|IGI

3.51ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG732587597

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG732587597

Diamond specifications and retailer prices

From £1,484 GBP
$1,992 USD
As of November 2, 2026
Save £3,423 GBP (70%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,838 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.51ct lab-grown heart diamond

This 3.51ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG732587597 or 732587597. Listed at 11 retailers as of October 31, 2026, with a 231% 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

3.51
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG732587597
Dimensions9.21 × 10.62 × 6.16 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
9.21 mm10.62 mm3.51 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG732587597
Side View
Table 56.0%Crown 36.9°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 58.0%

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: £8,838 GBP|Low: £1,091 GBP|High: £8,987 GBP|Avg: £3,677 GBP|-1.7%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 18
November 2, 2026
Retailer 5£1,091 GBP
Retailer 15£1,484 GBP
Retailer 17£1,612 GBP
Retailer 16£1,617 GBP
Retailer 12£2,095 GBP
Retailer 13£2,134 GBP
Retailer 2£2,570 GBP
Retailer 4£2,920 GBP
Retailer 8£2,974 GBP
Retailer 6£3,066 GBP
Retailer 14£3,715 GBP
Retailer 3£4,132 GBP
Retailer 11£4,699 GBP
Retailer 18£4,907 GBP
Retailer 9£5,169 GBP
Retailer 7£5,531 GBP
Retailer 10£7,199 GBP
Do Amore Diamonds£8,838 GBP

18 data points across 18 retailers

11 retailers£1,484 GBP to £4,907 GBP

B+
Cheapest Retailer
-
£1,484 GBP
$1,992 USD
B+
Retailer 2
-
£1,612 GBP
$2,163 USD
View
B+
Retailer 3
-
£1,617 GBP
$2,170 USD
View
B+
Retailer 4
-
£2,095 GBP
$2,812 USD
View
B+
Retailer 5
-
£2,134 GBP
$2,864 USD
View
B
Retailer 6
-
£2,570 GBP
$3,449 USD
View
B
Retailer 7
-
£3,715 GBP
A$7,670 AUD
View
Retailer 8
-
£4,132 GBP
$5,544 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
£4,699 GBP
View
B
Retailer 10
-
£4,907 GBP
A$10,131 AUD
View
Most Expensive
Do Amore Diamonds
27-A75E9FF7C · Nov 2
£8,838 GBP
$11,860 USD
View
Price under review
10 more retailers have this diamond
Prices start from £1,484 GBPSave up to £3,423 GBP

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+
3.51ct Heart
£1,484 GBP