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Round|Lab Grown|IGI

3.00ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG499190410

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499190410

Diamond specifications and retailer prices

From $4,592 USD
As of November 5, 2026
Save $6,407 USD (58%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $10,999 USD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190410 or 499190410. Listed at 9 retailers as of November 5, 2026, with prices from $4,592 to $10,999, a $6,407 spread on the same certified stone. MOH London lists it at $10,999. 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
K
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190410
Dimensions9.12 × 9.06 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.12 mm9.06 mm3.00 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190410
Side View
Table 58.5%Crown 36.3°Girdle: Slightly ThickPavilion 40.2°Culet: NoneDepth 62.3%

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 5
Current: $10,999 USD|Low: $4,592 USD|High: $11,177 USD|Avg: $7,128 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 4$4,592 USD
Retailer 5$5,327 USD
Retailer 2$5,330 USD
Retailer 7$5,911 USD
Retailer 3$6,803 USD
Retailer 6$8,239 USD
MOH London$10,999 USD

15 data points across 7 retailers

9 retailers$4,592 USD to $10,999 USD

A
Cheapest Retailer
-
$4,592 USD
A
Retailer 2
-
$4,812 USD
View
B+
Retailer 3
-
$5,327 USD
View
Retailer 4
-
$5,327 USD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$5,330 USD
View
B
Retailer 6
-
$6,656 USD
View
B
Retailer 7
-
$6,803 USD
View
B
Retailer 8
-
$8,239 USD
View
Most Expensive
B
MOH London
LG499190410 · Nov 5
$10,999 USD
£8,661 GBP
View
8 more retailers have this diamond
Prices start from $4,592 USDSave up to $6,407 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
$4,592 USD