CaratHunter
Plans
Round|Lab Grown|IGI

4.11ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG778689659

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778689659

Diamond specifications and retailer prices

From $517 USD
As of October 29, 2026
Save $4,243 USD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,760 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.11ct lab-grown round diamond

This 4.11ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778689659 or 778689659. Listed at 11 retailers as of October 29, 2026, with prices from $517 to $4,760, a $4,243 spread on the same certified stone. Brilliant Earth lists it at $4,760. 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

4.11
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778689659
Dimensions10.18 × 10.21 × 6.34 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.18 mm10.21 mm4.11 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778689659
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.1%

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: Oct 29
Current: $4,760 USD|Low: $497 USD|High: $7,010 USD|Avg: $1,931 USD|-32.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 30, 2026
Retailer 10$517 USD
Retailer 8$579 USD
Retailer 12$717 USD
Retailer 2$969 USD
Retailer 13$1,040 USD
Retailer 4$1,085 USD
Retailer 9$1,653 USD
Retailer 7$1,655 USD
Retailer 11$1,685 USD
Retailer 5$2,509 USD
Retailer 3$2,535 USD
Retailer 6$2,689 USD
Brilliant Earth$4,760 USD

31 data points across 13 retailers

11 retailers$517 USD to $4,760 USD

A
Cheapest Retailer
-
$517 USD
A
Retailer 2
-
$579 USD
View
Retailer 3
-
$717 USD
£564 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$969 USD
€923 EUR
View
A
Retailer 5
-
$1,040 USD
View
B+
Retailer 6
-
$1,653 USD
View
B
Retailer 7
-
$1,655 USD
View
B+
Retailer 8
-
$1,685 USD
View
Retailer 9
-
$2,535 USD
SGD 3,426 SGD
View
Price last confirmed 18 days ago
B
Retailer 10
-
$2,689 USD
£2,117 GBP
View
Most Expensive
B
Brilliant Earth
20805249A · Oct 30
$4,760 USD
View
10 more retailers have this diamond
Prices start from $517 USDSave up to $4,243 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
4.11ct Round
$517 USD