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Round|Lab Grown|IGI

0.99ct D FL Round Lab Grown Diamond

EX • D/FL • IGI LG804649921

Shape and cutting style on the report: Round brilliant

Certificate IGI LG804649921

Diamond specifications and retailer prices

From $215 USD
As of November 1, 2026
Save $985 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,200 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 0.99ct lab-grown round diamond

This 0.99ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804649921 or 804649921. Listed at 19 retailers as of October 31, 2026, with prices from $215 to $1,200, a $985 spread on the same certified stone. Brilliant Earth lists it at $1,200. 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
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804649921
Dimensions6.33 × 6.29 × 3.96 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.33 mm6.29 mm0.99 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804649921
Side View
Table 57.0%Crown 36.2°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 62.8%

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: Nov 1
Current: $1,200 USD|Low: $215 USD|High: $1,970 USD|Avg: $665 USD|-39.1%
Brilliant Earth
Retailer 2
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Retailer 19
November 1, 2026
Retailer 18$215 USD
Retailer 13$239 USD
Retailer 9$249 USD
Retailer 3$266 USD
Retailer 16$266 USD
Retailer 8$372 USD
Retailer 12$447 USD
Retailer 6$457 USD
Retailer 14$482 USD
Retailer 2$492 USD
Retailer 5$500 USD
Retailer 10$722 USD
Retailer 17$856 USD
Retailer 4$859 USD
Retailer 11$909 USD
Retailer 7$913 USD
Retailer 19$1,005 USD
Retailer 15$1,069 USD
Brilliant Earth$1,200 USD

33 data points across 19 retailers

19 retailers$215 USD to $1,200 USD

A
Cheapest Retailer
-
$215 USD
A
Retailer 2
-
$239 USD
View
Final sale: no returns
A
Retailer 3
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$249 USD
View
A
Retailer 4
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$266 USD
View
A
Retailer 5
-
$266 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$372 USD
View
A
Retailer 7
-
$447 USD
€426 EUR
View
A
Retailer 8
-
$457 USD
View
A
Retailer 9
-
$482 USD
ZAR 7,783 ZAR
View
A
Retailer 10
-
$492 USD
£388 GBP
View
A
Retailer 11
-
$500 USD
View
B+
Retailer 12
-
$722 USD
SGD 975 SGD
View
B+
Retailer 13
-
$856 USD
View
B+
Retailer 14
-
$859 USD
View
B+
Retailer 15
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$909 USD
View
B+
Retailer 16
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$913 USD
View
Retailer 17
-
$1,005 USD
View
Price last confirmed 14 days ago
Retailer 18
-
$1,069 USD
£842 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21434133A · Oct 31
$1,200 USD
View
18 more retailers have this diamond
Prices start from $215 USDSave up to $985 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 Round
$215 USD