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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG808630209

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808630209

Diamond specifications and retailer prices

From $337 USD
As of November 3, 2026
Save $3,283 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,620 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808630209 or 808630209. Listed at 24 retailers as of November 3, 2026, with prices from $337 to $3,620, a $3,283 spread on the same certified stone. Brilliant Earth lists it at $3,620. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808630209
Dimensions7.45 × 7.48 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.45 mm7.48 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808630209
Side View
Table 60.0%Crown 33°Girdle: THN-MEDPavilion 41.2°Culet: NoneDepth 59.8%

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: Nov 3
Current: $3,620 USD|Low: $337 USD|High: $3,620 USD|Avg: $1,106 USD
Brilliant Earth
Retailer 2
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Retailer 22
November 4, 2026
Retailer 22$337 USD
Retailer 8$391 USD
Retailer 4$418 USD
Retailer 11$418 USD
Retailer 12$473 USD
Retailer 3$560 USD
Retailer 21$570 USD
Retailer 5$674 USD
Retailer 18$721 USD
Retailer 17$736 USD
Retailer 16$740 USD
Retailer 14$867 USD
Retailer 20$971 USD
Retailer 2$982 USD
Retailer 6$1,345 USD
Retailer 7$1,354 USD
Retailer 10$1,388 USD
Retailer 15$1,584 USD
Retailer 19$1,676 USD
Retailer 9$1,802 USD
Retailer 13$1,900 USD
Brilliant Earth$3,620 USD

31 data points across 22 retailers

24 retailers$337 USD to $3,620 USD

A
Cheapest Retailer
-
$337 USD
A
Retailer 2
-
$391 USD
View
A
Retailer 3
-
$418 USD
View
Retailer 4
-
$418 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$473 USD
View
A
Retailer 6
-
$560 USD
View
A
Retailer 7
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$570 USD
View
A
Retailer 8
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$659 USD
View
A
Retailer 9
-
$674 USD
View
A
Retailer 10
-
$721 USD
View
A
Retailer 11
-
$736 USD
View
A
Retailer 12
-
$740 USD
View
B+
Retailer 13
-
$867 USD
View
B+
Retailer 14
-
$971 USD
View
B+
Retailer 15
-
$982 USD
View
B+
Retailer 16
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$1,345 USD
View
B+
Retailer 17
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$1,354 USD
View
B
Retailer 18
-
$1,388 USD
View
B
Retailer 19
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$1,503 USD
View
B
Retailer 20
-
$1,584 USD
View
B+
Retailer 21
-
$1,676 USD
View
B
Retailer 22
-
$1,802 USD
View
B
Retailer 23
-
$1,900 USD
View
Most Expensive
B
Brilliant Earth
20295849A · Nov 4
$3,620 USD
View
23 more retailers have this diamond
Prices start from $337 USDSave up to $3,283 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
1.51ct Round
$337 USD