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Round|Lab Grown|IGI

3.05ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG508124003

Shape and cutting style on the report: Round brilliant

Certificate IGI LG508124003

Diamond specifications and retailer prices

From $582 USD
As of November 5, 2026
Save $2,128 USD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,151 USD at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct lab-grown round diamond

This 3.05ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508124003 or 508124003. Listed at 16 retailers as of November 5, 2026, with a 366% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
J
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508124003
Dimensions9.29 × 9.35 × 5.74 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
9.29 mm9.35 mm3.05 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508124003
Side View
Table 56.0%Crown 35.1°GirdlePavilion 40.7°Culet: NoneDepth 61.6%

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: $3,151 USD|Low: $582 USD|High: $3,172 USD|Avg: $1,538 USD|+0.5%
MOH London
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 2, 2026
Retailer 9$582 USD
Retailer 12$651 USD
Retailer 4$780 USD
Retailer 6$855 USD
Retailer 11$996 USD
Retailer 8$1,111 USD
Retailer 13$1,172 USD
Retailer 2$1,567 USD
Retailer 5$1,628 USD
Retailer 7$1,792 USD
Retailer 3$2,337 USD
Retailer 10$2,710 USD
MOH London$3,151 USD

25 data points across 13 retailers

16 retailers$582 USD to $2,710 USD

A
Cheapest Retailer
-
$582 USD
A
Retailer 2
-
$651 USD
View
Final sale: no returns
A
Retailer 3
-
$652 USD
View
Retailer 4
-
$722 USD
View
Price last confirmed 21 days ago
A
Retailer 5
-
$722 USD
View
A
Retailer 6
-
$780 USD
View
A
Retailer 7
-
$855 USD
View
B+
Retailer 8
-
$996 USD
View
B+
Retailer 9
-
$1,111 USD
View
B+
Retailer 10
-
$1,172 USD
View
B
Retailer 11
-
$1,567 USD
View
B
Retailer 12
-
$1,792 USD
View
B
Retailer 13
-
$1,899 USD
View
B
Retailer 14
-
$2,337 USD
View
B
Retailer 15
-
$2,710 USD
View
Most Expensive
MOH London
LG508124003 · Oct 29
$3,151 USD
£2,481 GBP
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $582 USDSave up to $2,128 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
3.05ct Round
$582 USD