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Round|Lab Grown|IGI

3.00ct J SI1 Round Lab Grown Diamond

VG • J/SI1 • IGI LG499190394

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190394

Diamond specifications and retailer prices

From $1,680 USD
As of October 31, 2026
Save $10,934 USD (87%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $12,614 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG499190394 or 499190394. Listed at 11 retailers as of October 29, 2026, with prices from $1,680 to $12,614, a $10,934 spread on the same certified stone. MOH London lists it at $12,614. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.00
Carat
J
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190394
Dimensions9.23 × 9.20 × 5.48 mm
L/W Ratio1.00
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
9.23 mm9.20 mm3.00 ctJ / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190394
Side View
Table 62.5%Crown 32.4°Girdle: STK-THKPavilion 40.1°Culet: NoneDepth 59.4%

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 31
Current: $12,614 USD|Low: $1,680 USD|High: $12,714 USD|Avg: $7,124 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$1,680 USD
Retailer 4$5,315 USD
Retailer 7$5,953 USD
Retailer 5$6,166 USD
Retailer 8$6,180 USD
Retailer 9$6,598 USD
Retailer 3$7,593 USD
Retailer 6$9,524 USD
MOH London$12,614 USD

13 data points across 9 retailers

11 retailers$1,680 USD to $12,614 USD

A
Cheapest Retailer
-
$1,680 USD
B+
Retailer 2
-
$5,315 USD
View
B+
Retailer 3
-
$5,570 USD
View
B+
Retailer 4
-
$5,953 USD
View
Final sale: no returns
Retailer 5
-
$6,166 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
$6,166 USD
View
B
Retailer 7
-
$6,180 USD
View
B
Retailer 8
-
$7,319 USD
View
B
Retailer 9
-
$7,593 USD
View
B
Retailer 10
-
$9,524 USD
View
Most Expensive
C
MOH London
LG499190394 · Oct 29
$12,614 USD
£9,932 GBP
View
10 more retailers have this diamond
Prices start from $1,680 USDSave up to $10,934 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
$1,680 USD