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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 $251 AUD
$176 USD
As of October 30, 2026
Save $2,009 AUD (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,260 AUD 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 $251 to $2,260, a $2,009 spread on the same certified stone. Queensmith lists it at $2,260. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $557 AUD|Low: $251 AUD|High: $1,533 AUD|Avg: $675 AUD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 7$251 AUD
Retailer 5$279 AUD
Retailer 4$290 AUD
Retailer 3$310 AUD
Retailer 16$310 AUD
Retailer 9$390 AUD
Retailer 6$552 AUD
Retailer 1$557 AUD
Retailer 11$562 AUD
Retailer 2$611 AUD
Retailer 12$775 AUD
Retailer 14$999 AUD
Retailer 13$1,055 AUD
Retailer 8$1,076 AUD
Retailer 10$1,461 AUD
Retailer 15$1,523 AUD

36 data points across 16 retailers

19 retailers$251 AUD to $2,260 AUD

A+
Cheapest Retailer
-
$251 AUD
$176 USD
A
Retailer 2
-
$279 AUD
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$290 AUD
$204 USD
View
A
Retailer 4
-
$310 AUD
$218 USD
View
A
Retailer 5
-
$310 AUD
$218 USD
View
Retailer 6
-
$320 AUD
$225 USD
View
Price last confirmed 36 days ago
A
Retailer 7
-
$390 AUD
£216 GBP
View
A
Retailer 8
-
$552 AUD
$388 USD
View
A
Retailer 9
-
$557 AUD
£308 GBP
View
A
Retailer 10
-
$562 AUD
ZAR 6,372 ZAR
View
A
Retailer 11
-
$611 AUD
$429 USD
View
B+
Retailer 12
-
$775 AUD
View
B+
Retailer 13
-
$779 AUD
$547 USD
View
B+
Retailer 14
-
$999 AUD
$702 USD
View
Retailer 15
-
$1,055 AUD
$741 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,076 AUD
$756 USD
View
B
Retailer 17
-
$1,461 AUD
£808 GBP
View
Retailer 18
-
$1,523 AUD
$1,070 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Queensmith
LG591305948 · Oct 27
$2,260 AUD
£1,250 GBP
View
18 more retailers have this diamond
Prices start from $251 AUDSave up to $2,009 AUD

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
$251 AUD