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Round|Lab Grown|IGI

3.07ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG490174539

Shape and cutting style on the report: Round brilliant

Certificate IGI LG490174539

Diamond specifications and retailer prices

From $1,720 USD
As of October 31, 2026
Save $11,176 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,896 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.07ct lab-grown round diamond

This 3.07ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG490174539 or 490174539. Listed at 11 retailers as of October 29, 2026, with prices from $1,720 to $12,896, a $11,176 spread on the same certified stone. MOH London lists it at $12,896. 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
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG490174539
Dimensions9.30 × 9.24 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.30 mm9.24 mm3.07 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG490174539
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.2°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: Oct 31
Current: $12,896 USD|Low: $1,720 USD|High: $13,000 USD|Avg: $7,361 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,720 USD
Retailer 4$5,434 USD
Retailer 6$6,086 USD
Retailer 7$6,315 USD
Retailer 8$6,741 USD
Retailer 3$7,763 USD
Retailer 5$9,735 USD
MOH London$12,896 USD

15 data points across 8 retailers

11 retailers$1,720 USD to $12,896 USD

A
Cheapest Retailer
-
$1,720 USD
B+
Retailer 2
-
$5,434 USD
View
B+
Retailer 3
-
$5,695 USD
View
B+
Retailer 4
-
$6,086 USD
View
Final sale: no returns
B+
Retailer 5
-
$6,304 USD
View
Retailer 6
-
$6,304 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$6,315 USD
View
B
Retailer 8
-
$7,483 USD
View
B
Retailer 9
-
$7,763 USD
View
B
Retailer 10
-
$9,735 USD
View
Most Expensive
B
MOH London
LG490174539 · Oct 29
$12,896 USD
£10,154 GBP
View
10 more retailers have this diamond
Prices start from $1,720 USDSave up to $11,176 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
$1,720 USD