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Round|Lab Grown|IGI

3.00ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG542212651

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542212651

Diamond specifications and retailer prices

From $476 USD
As of October 29, 2026
Save $3,304 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542212651 or 542212651. Listed at 16 retailers as of October 29, 2026, with prices from $476 to $3,780, a $3,304 spread on the same certified stone. Brilliant Earth lists it at $3,780. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.00
Carat
D
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542212651
Dimensions9.42 × 9.39 × 5.50 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
9.42 mm9.39 mm3.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542212651
Side View
Table 62.5%Crown 32°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 58.4%

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: Oct 29
Current: $3,780 USD|Low: $457 USD|High: $3,890 USD|Avg: $1,218 USD|-2.8%
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
October 30, 2026
Retailer 12$476 USD
Retailer 5$533 USD
Retailer 6$533 USD
Retailer 14$591 USD
Retailer 16$591 USD
Retailer 13$792 USD
Retailer 7$809 USD
Retailer 10$864 USD
Retailer 3$885 USD
Retailer 2$977 USD
Retailer 4$1,086 USD
Retailer 11$1,588 USD
Retailer 15$1,899 USD
Retailer 8$2,005 USD
Retailer 9$2,182 USD
Brilliant Earth$3,780 USD

39 data points across 16 retailers

16 retailers$476 USD to $3,780 USD

A
Cheapest Retailer
-
$476 USD
A
Retailer 2
-
$533 USD
View
Final sale: no returns
A
Retailer 3
-
$533 USD
View
A
Retailer 4
-
$591 USD
View
Retailer 5
-
$591 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
$792 USD
View
Retailer 7
-
$809 USD
£637 GBP
View
Price last confirmed 37 days ago
A
Retailer 8
-
$864 USD
€823 EUR
View
B+
Retailer 9
-
$885 USD
View
B+
Retailer 10
-
$977 USD
£770 GBP
View
B+
Retailer 11
-
$1,086 USD
View
B
Retailer 12
-
$1,588 USD
View
B
Retailer 13
-
$1,899 USD
View
Retailer 14
-
$2,005 USD
View
Price last confirmed 50 days ago
B
Retailer 15
-
$2,182 USD
£1,718 GBP
View
Most Expensive
B
Brilliant Earth
16081252A · Oct 29
$3,780 USD
View
15 more retailers have this diamond
Prices start from $476 USDSave up to $3,304 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
3.00ct Round
$476 USD