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Heart|Lab Grown|IGI

0.73ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG643428675

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG643428675

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £722 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £862 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 0.73ct lab-grown heart diamond

This 0.73ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG643428675 or 643428675. Listed at 19 retailers as of October 30, 2026, with prices from £140 to £862, a £722 spread on the same certified stone. Reve Diamonds lists it at £862. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643428675
Dimensions5.55 × 6.40 × 3.60 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
5.55 mm6.40 mm0.73 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643428675
Side View
Table 56.0%Crown 31.2°Girdle: MED-THKPavilion 38°Culet: NoneDepth 56.3%

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: £163 GBP|Low: £139 GBP|High: £875 GBP|Avg: £386 GBP|-2.7%
Retailer 1
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Retailer 18
Reve Diamonds
November 1, 2026
Retailer 16£140 GBP
Retailer 5£157 GBP
Retailer 1£163 GBP
Retailer 3£174 GBP
Retailer 13£174 GBP
Retailer 4£254 GBP
Retailer 7£305 GBP
Retailer 15£315 GBP
Retailer 11£316 GBP
Retailer 9£343 GBP
Retailer 17£438 GBP
Retailer 18£443 GBP
Retailer 10£455 GBP
Retailer 14£559 GBP
Retailer 2£560 GBP
Retailer 8£583 GBP
Retailer 6£599 GBP
Retailer 12£812 GBP
Reve Diamonds£862 GBP

38 data points across 19 retailers

19 retailers£140 GBP to £862 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£157 GBP
$210 USD
View
Final sale: no returns
A
Retailer 3
-
£163 GBP
$218 USD
View
A
Retailer 4
-
£174 GBP
$233 USD
View
Retailer 5
-
£174 GBP
$233 USD
View
Price last confirmed 8 days ago
A
Retailer 6
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£254 GBP
$340 USD
View
B+
Retailer 7
-
£305 GBP
$408 USD
View
A
Retailer 8
-
£315 GBP
View
A
Retailer 9
-
£316 GBP
ZAR 6,837 ZAR
View
B+
Retailer 10
-
£343 GBP
$460 USD
View
B+
Retailer 11
-
£438 GBP
A$902 AUD
View
B+
Retailer 12
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£443 GBP
A$913 AUD
View
Retailer 13
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£455 GBP
$610 USD
View
Price last confirmed 16 days ago
B
Retailer 14
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£559 GBP
$749 USD
View
B
Retailer 15
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£560 GBP
$751 USD
View
B
Retailer 16
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£583 GBP
$781 USD
View
B
Retailer 17
-
£599 GBP
$803 USD
View
B
Retailer 18
-
£812 GBP
View
Most Expensive
B
Reve Diamonds
949A43676 · Nov 1
£862 GBP
$1,155 USD
View
18 more retailers have this diamond
Prices start from £140 GBPSave up to £722 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.

A
0.73ct Heart
£140 GBP