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Round|Lab Grown|IGI

3.07ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG787677657

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787677657

Diamond specifications and retailer prices

From $399 USD
As of November 5, 2026
Save $1,596 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,995 USD at Rare Carat · As of November 4, 2026
View at Rare Carat

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 LG787677657 or 787677657. Listed at 11 retailers as of November 4, 2026, with prices from $399 to $1,995, a $1,596 spread on the same certified stone. Rare Carat lists it at $1,995. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787677657
Dimensions9.15 × 9.22 × 5.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.15 mm9.22 mm3.07 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787677657
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
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: Nov 5
Current: $1,995 USD|Low: $365 USD|High: $2,085 USD|Avg: $1,182 USD|-4.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8$399 USD
Retailer 7$447 USD
Retailer 2$656 USD
Retailer 9$757 USD
Retailer 4$809 USD
Retailer 3$854 USD
Retailer 12$1,322 USD
Retailer 11$1,325 USD
Retailer 6$1,589 USD
Retailer 5$1,616 USD
Retailer 10$1,844 USD
Retailer 13$1,907 USD
Rare Carat$1,995 USD

35 data points across 13 retailers

11 retailers$399 USD to $1,995 USD

A
Cheapest Retailer
-
$399 USD
A
Retailer 2
-
$447 USD
View
A
Retailer 3
-
$656 USD
View
Retailer 4
-
$757 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$854 USD
View
B+
Retailer 6
-
$1,322 USD
View
B
Retailer 7
-
$1,325 USD
View
B
Retailer 8
-
$1,589 USD
View
Retailer 9
-
$1,844 USD
View
Price last confirmed 11 days ago
Retailer 10
-
$1,907 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Rare Carat
LGRD30-43920 · Nov 4
$1,995 USD
View
10 more retailers have this diamond
Prices start from $399 USDSave up to $1,596 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
$399 USD