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Round|Lab Grown|IGI

3.07ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG649471290

Shape and cutting style on the report: Round brilliant

Certificate IGI LG649471290

Diamond specifications and retailer prices

From $725 USD
As of November 4, 2026
Save $2,605 USD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,330 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG649471290 or 649471290. Listed at 14 retailers as of November 4, 2026, with prices from $725 to $3,330, a $2,605 spread on the same certified stone. Brilliant Earth lists it at $3,330. 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

3.07
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649471290
Dimensions9.30 × 9.34 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
9.30 mm9.34 mm3.07 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649471290
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 61.8%

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 4
Current: $3,330 USD|Low: $512 USD|High: $3,570 USD|Avg: $1,335 USD|-6.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4$512 USD
Retailer 3$692 USD
Retailer 7$725 USD
Retailer 8$841 USD
Retailer 10$911 USD
Retailer 5$955 USD
Retailer 11$956 USD
Retailer 12$1,141 USD
Retailer 9$1,568 USD
Retailer 6$1,995 USD
Retailer 2$2,136 USD
Brilliant Earth$3,330 USD

38 data points across 12 retailers

14 retailers$725 USD to $3,330 USD

Retailer 1
-
$413 USD
Price last confirmed 45 days ago
Retailer 2
-
$462 USD
View
Price last confirmed 44 days ago
Retailer 3
-
$505 USD
View
Price last confirmed 40 days ago
A
Retailer 4
-
$725 USD
View
A
Retailer 5
-
$841 USD
View
B+
Retailer 6
-
$911 USD
View
B+
Retailer 7
-
$955 USD
View
A
Retailer 8
-
$956 USD
View
B+
Retailer 9
-
$1,141 USD
View
B
Retailer 10
-
$1,568 USD
View
Retailer 11
-
$1,645 USD
View
Price last confirmed 41 days ago
B
Retailer 12
-
$1,995 USD
View
B
Retailer 13
-
$2,136 USD
View
Most Expensive
B
Brilliant Earth
11632344A · Nov 5
$3,330 USD
View
13 more retailers have this diamond
Prices start from $725 USDSave up to $2,605 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
3.07ct Round
$725 USD