Heart|Lab Grown|IGI

0.99ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG823647457

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823647457

Diamond specifications and retailer prices

From $216 USD
As of October 30, 2026
Save $238 USD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $454 USD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 0.99ct lab-grown heart diamond

This 0.99ct lab-grown heart sits in the just-under-one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG823647457 or 823647457. Listed at 2 retailers as of October 30, 2026, with prices from $216 to $454, a $238 spread on the same certified stone. 77 Diamonds lists it at $454. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.99
Carat
D
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823647457
Dimensions6.32 × 7.02 × 3.97 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.32 mm7.02 mm0.99 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823647457
Side View
Table 59.0%Crown 34.2°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 56.6%

Caratlytics Score

How it works →
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: $454 USD|Low: $215 USD|High: $1,231 USD|Avg: $617 USD|-9.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 2$216 USD
Retailer 5$426 USD
Retailer 4$441 USD
77 Diamonds$454 USD
Retailer 3$897 USD
Retailer 6$1,231 USD

39 data points across 6 retailers

2 retailers$216 USD to $454 USD

A
Cheapest Retailer
-
$216 USD
Final sale: no returns
Most Expensive
B+
77 Diamonds
HSTVSFPBNRDBB · Nov 1
$454 USD
£358 GBP
View
1 more retailer has this diamond
Prices start from $216 USDSave up to $238 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
0.99ct Heart
$216 USD