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Heart|Lab Grown|IGI

0.99ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG591305948

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG591305948

Diamond specifications and retailer prices

From $176 USD
As of October 30, 2026
Save $1,412 USD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,588 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 top-tier cut grade and certified by IGI LG591305948 or 591305948. Listed at 19 retailers as of October 27, 2026, with prices from $176 to $1,588, a $1,412 spread on the same certified stone. Queensmith lists it at $1,588. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle44.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591305948
Dimensions5.98 × 6.89 × 4.17 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
5.98 mm6.89 mm0.99 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591305948
Side View
Table 54.0%Crown 33.2°Girdle: THN-STKPavilion 44.6°Culet: NoneDepth 60.5%

Caratlytics Score

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A+
Exceptional
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: $388 USD|Low: $176 USD|High: $1,077 USD|Avg: $465 USD|-2.4%
Retailer 1
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 31, 2026
Retailer 7$176 USD
Retailer 5$196 USD
Retailer 4$204 USD
Retailer 3$218 USD
Retailer 16$218 USD
Retailer 9$274 USD
Retailer 6$388 USD
Retailer 1$388 USD
Retailer 11$394 USD
Retailer 2$429 USD
Retailer 12$544 USD
Retailer 14$702 USD
Retailer 13$741 USD
Retailer 8$756 USD
Retailer 10$1,026 USD
Retailer 15$1,070 USD

36 data points across 16 retailers

19 retailers$176 USD to $1,588 USD

A+
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$218 USD
View
Retailer 6
-
$225 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$274 USD
£216 GBP
View
A
Retailer 8
-
$388 USD
View
A
Retailer 9
-
$388 USD
£306 GBP
View
A
Retailer 10
-
$394 USD
ZAR 6,372 ZAR
View
A
Retailer 11
-
$429 USD
View
B+
Retailer 12
-
$544 USD
A$837 AUD
View
B+
Retailer 13
-
$547 USD
View
B+
Retailer 14
-
$702 USD
View
Retailer 15
-
$741 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$756 USD
View
B
Retailer 17
-
$1,026 USD
£808 GBP
View
Retailer 18
-
$1,070 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Queensmith
LG591305948 · Oct 27
$1,588 USD
£1,250 GBP
View
18 more retailers have this diamond
Prices start from $176 USDSave up to $1,412 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
$176 USD