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Heart|Lab Grown|IGI

0.99ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG594338252

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG594338252

Diamond specifications and retailer prices

From $254 USD
As of October 30, 2026
Save $1,306 USD (84%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,560 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG594338252 or 594338252. Listed at 20 retailers as of October 30, 2026, with prices from $254 to $1,560, a $1,306 spread on the same certified stone. Brilliant Earth lists it at $1,560. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.99
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594338252
Dimensions6.06 × 7.09 × 4.00 mm
L/W Ratio1.17
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
6.06 mm7.09 mm0.99 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594338252
Side View
Table 57.0%Crown 37.3°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 56.4%

Caratlytics Score

How it works →
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: $1,560 USD|Low: $254 USD|High: $1,560 USD|Avg: $763 USD
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 10$254 USD
Retailer 5$284 USD
Retailer 19$295 USD
Retailer 7$316 USD
Retailer 18$316 USD
Retailer 13$386 USD
Retailer 20$425 USD
Retailer 11$558 USD
Retailer 17$571 USD
Retailer 14$602 USD
Retailer 4$637 USD
Retailer 16$785 USD
Retailer 8$807 USD
Retailer 6$1,014 USD
Retailer 12$1,066 USD
Retailer 9$1,107 USD
Retailer 2$1,265 USD
Retailer 15$1,266 USD
Retailer 3$1,367 USD
Brilliant Earth$1,560 USD

29 data points across 20 retailers

20 retailers$254 USD to $1,560 USD

A+
Cheapest Retailer
-
$254 USD
A
Retailer 2
-
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$295 USD
View
Retailer 4
-
$316 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$316 USD
View
A
Retailer 6
-
$386 USD
£304 GBP
View
A
Retailer 7
-
$425 USD
View
A
Retailer 8
-
$558 USD
View
A
Retailer 9
-
$571 USD
ZAR 9,219 ZAR
View
A
Retailer 10
-
$602 USD
£474 GBP
View
A
Retailer 11
-
$637 USD
View
A
Retailer 12
-
$785 USD
A$1,208 AUD
View
B+
Retailer 13
-
$807 USD
View
B+
Retailer 14
-
$1,014 USD
View
B+
Retailer 15
-
$1,066 USD
View
B+
Retailer 16
-
$1,107 USD
View
B+
Retailer 17
-
$1,265 USD
£996 GBP
View
B+
Retailer 18
-
$1,266 USD
A$1,947 AUD
View
B+
Retailer 19
-
$1,367 USD
View
Most Expensive
B
Brilliant Earth
8481318A · Oct 31
$1,560 USD
View
19 more retailers have this diamond
Prices start from $254 USDSave up to $1,306 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
$254 USD