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Round|Lab Grown|IGI

1.33ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816616330

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816616330

Diamond specifications and retailer prices

From $280 USD
As of October 29, 2026
Save $1,710 USD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,990 USD at Brilliant Earth · As of October 29, 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 E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816616330 or 816616330. Listed at 20 retailers as of October 29, 2026, with prices from $280 to $1,990, a $1,710 spread on the same certified stone. Brilliant Earth lists it at $1,990. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
E
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816616330
Dimensions6.99 × 7.04 × 4.36 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
6.99 mm7.04 mm1.33 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816616330
Side View
Table 58.0%Crown 35.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
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 29
Current: $1,990 USD|Low: $276 USD|High: $1,990 USD|Avg: $794 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 8$280 USD
Retailer 9$313 USD
Retailer 3$324 USD
Retailer 4$347 USD
Retailer 11$347 USD
Retailer 15$505 USD
Retailer 13$568 USD
Retailer 5$573 USD
Retailer 14$596 USD
Retailer 6$601 USD
Retailer 2$610 USD
Retailer 7$782 USD
Retailer 18$920 USD
Retailer 20$1,065 USD
Retailer 19$1,111 USD
Retailer 12$1,115 USD
Retailer 10$1,165 USD
Retailer 16$1,392 USD
Retailer 17$1,445 USD
Brilliant Earth$1,990 USD

36 data points across 20 retailers

20 retailers$280 USD to $1,990 USD

A+
Cheapest Retailer
-
$280 USD
A
Retailer 2
-
$313 USD
View
Final sale: no returns
A
Retailer 3
-
$324 USD
View
A
Retailer 4
-
$347 USD
View
A
Retailer 5
-
$347 USD
View
A
Retailer 6
-
$505 USD
View
A
Retailer 7
-
$568 USD
€541 EUR
View
A
Retailer 8
-
$573 USD
View
A
Retailer 9
-
$596 USD
ZAR 9,627 ZAR
View
A
Retailer 10
-
$601 USD
View
A
Retailer 11
-
$610 USD
£480 GBP
View
A
Retailer 12
-
$782 USD
View
B+
Retailer 13
-
$920 USD
View
Retailer 14
-
$1,065 USD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$1,111 USD
SGD 1,501 SGD
View
B+
Retailer 16
-
$1,115 USD
View
B+
Retailer 17
-
$1,165 USD
View
B+
Retailer 18
-
$1,392 USD
£1,096 GBP
View
B+
Retailer 19
-
$1,445 USD
View
Most Expensive
B
Brilliant Earth
21421456A · Oct 29
$1,990 USD
View
19 more retailers have this diamond
Prices start from $280 USDSave up to $1,710 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
$280 USD