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Round|Lab Grown|IGI

3.11ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG653408987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG653408987

Diamond specifications and retailer prices

From $786 USD
As of November 4, 2026
Save $1,218 USD (61%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,004 USD at MOH London · As of November 5, 2026
View at MOH London

About this 3.11ct lab-grown round diamond

This 3.11ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG653408987 or 653408987. Listed at 7 retailers as of November 4, 2026, with prices from $786 to $2,004, a $1,218 spread on the same certified stone. MOH London lists it at $2,004. 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

3.11
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653408987
Dimensions9.40 × 9.33 × 5.70 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
9.40 mm9.33 mm3.11 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653408987
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.9%

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 4
Current: $2,004 USD|Low: $641 USD|High: $2,033 USD|Avg: $1,185 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$641 USD
Retailer 7$645 USD
Retailer 3$786 USD
Retailer 4$802 USD
Retailer 5$847 USD
Retailer 2$1,730 USD
Retailer 6$1,908 USD
MOH London$2,004 USD

13 data points across 8 retailers

7 retailers$786 USD to $2,004 USD

B+
Cheapest Retailer
-
$786 USD
A
Retailer 2
-
$802 USD
View
A
Retailer 3
-
$847 USD
View
B
Retailer 4
-
$1,730 USD
View
Retailer 5
-
$1,855 USD
View
Price last confirmed 32 days ago
B
Retailer 6
-
$1,908 USD
View
Most Expensive
B
MOH London
LG653408987 · Nov 5
$2,004 USD
£1,578 GBP
View
6 more retailers have this diamond
Prices start from $786 USDSave up to $1,218 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
3.11ct Round
$786 USD