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Round|Lab Grown|IGI

1.33ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG645474271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG645474271

Diamond specifications and retailer prices

From $269 USD
As of November 5, 2026
Save $1,561 USD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $1,830 USD at Brilliant Earth · As of November 3, 2026
View at Brilliant Earth

About this 1.33ct lab-grown round diamond

This 1.33ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG645474271 or 645474271. Listed at 26 retailers as of November 3, 2026, with prices from $269 to $1,830, a $1,561 spread on the same certified stone. Brilliant Earth lists it at $1,830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645474271
Dimensions7.09 × 7.06 × 4.28 mm
L/W Ratio1.00
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
7.09 mm7.06 mm1.33 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645474271
Side View
Table 59.0%Crown 34.7°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.4%

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 5
Current: $1,830 USD|Low: $191 USD|High: $1,830 USD|Avg: $774 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 5, 2026
Retailer 11$236 USD
Retailer 6$269 USD
Retailer 7$301 USD
Retailer 20$312 USD
Retailer 9$331 USD
Retailer 15$490 USD
Retailer 8$539 USD
Retailer 3$553 USD
Retailer 17$574 USD
Retailer 19$588 USD
Retailer 2$631 USD
Retailer 10$760 USD
Retailer 12$760 USD
Retailer 16$818 USD
Retailer 14$1,025 USD
Retailer 5$1,123 USD
Retailer 13$1,333 USD
Retailer 4$1,413 USD
Retailer 18$1,560 USD
Brilliant Earth$1,830 USD

33 data points across 20 retailers

26 retailers$269 USD to $1,830 USD

Retailer 1
-
$191 USD
Price last confirmed 18 days ago
Retailer 2
-
$236 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$269 USD
View
A
Retailer 4
-
$269 USD
View
A
Retailer 5
-
$301 USD
View
Final sale: no returns
Retailer 6
-
$310 USD
View
Price last confirmed 23 days ago
A
Retailer 7
-
$312 USD
View
A
Retailer 8
-
$312 USD
View
Retailer 9
-
$331 USD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$490 USD
View
Retailer 11
-
$539 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
$553 USD
View
A
Retailer 13
-
$574 USD
View
B+
Retailer 14
-
$588 USD
View
B+
Retailer 15
-
$631 USD
View
B+
Retailer 16
-
$760 USD
View
Retailer 17
-
$760 USD
View
Price last confirmed 18 days ago
B+
Retailer 18
-
$818 USD
View
B+
Retailer 19
-
$858 USD
View
B
Retailer 20
-
$1,025 USD
View
B
Retailer 21
-
$1,072 USD
View
B
Retailer 22
-
$1,123 USD
View
B
Retailer 23
-
$1,333 USD
View
B
Retailer 24
-
$1,413 USD
View
B
Retailer 25
-
$1,560 USD
View
Most Expensive
B
Brilliant Earth
14080363A · Nov 3
$1,830 USD
View
25 more retailers have this diamond
Prices start from $269 USDSave up to $1,561 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
1.33ct Round
$269 USD